All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Nhung Mach

Bib: 23696•F

WA

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F50-54)
#0 / 1233
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
26:31
3.11 mi
Rank: #20290
Start → 5K
26:31 | 8:33/mi
10K
53:04
6.21 mi
Rank: #20397 (-107)
5K → 10K
26:33 | 8:33/mi
15K
1:19:53
9.32 mi
Rank: #20553 (-156)
10K → 15K
26:49 | 8:38/mi
20K
1:47:00
12.43 mi
Rank: #20542 (+11)
15K → 20K
27:07 | 8:44/mi
HALF
1:52:48
13.11 mi
Rank: #20529 (+13)
20K → HALF
5:48 | 8:31/mi
25K
2:14:06
15.53 mi
Rank: #20462 (+67)
HALF → 25K
21:18 | 8:47/mi
30K
2:42:26
18.64 mi
Rank: #20410 (+52)
25K → 30K
28:20 | 9:08/mi
20M
2:54:55
20.00 mi
Rank: #20357 (+53)
30K → 20M
12:29 | 9:12/mi
21M
3:05:06
21.00 mi
Rank: #20414 (-57)
20M → 21M
10:11 | 10:11/mi
35K
3:11:39
21.75 mi
Rank: #20365 (+49)
21M → 35K
6:33 | 8:46/mi
23M
3:23:57
23.00 mi
Rank: #20456 (-91)
35K → 23M
12:18 | 9:50/mi
24M
3:33:10
24.00 mi
Rank: #20452 (+4)
23M → 24M
9:13 | 9:13/mi
40K
3:41:22
24.85 mi
Rank: #20470 (-18)
24M → 40K
8:12 | 9:36/mi
25.2M
3:45:08
25.20 mi
Rank: #20505 (-35)
40K → 25.2M
3:46 | 10:56/mi
FINISH
3:54:50
26.22 mi
Rank: #20629 (-124)
25.2M → FINISH
9:42 | 9:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:52:48
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time2:02:02
Pace9:19 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:3426:318:3326:31
8:33
-
10K
6.21 mi11:56:0753:048:3326:33
8:33
0:00
15K
9.32 mi12:22:561:19:538:3526:49
8:38
+0:05
20K
12.43 mi12:50:031:47:008:3727:07
8:44
+0:06
HALF
13.11 mi12:55:511:52:488:375:48
8:31
-0:13
25K
15.53 mi13:17:092:14:068:3821:18
8:47
+0:16
30K
18.64 mi13:45:292:42:268:4328:20
9:08
+0:21
20M
20.00 mi13:57:582:54:558:4512:29
9:12
+0:04
21M
21.00 mi14:08:093:05:068:4910:11
10:11
+0:59
35K
21.75 mi14:14:423:11:398:496:33
8:46
-1:25
23M
23.00 mi14:27:003:23:578:5312:18
9:50
+1:04
24M
24.00 mi14:36:133:33:108:539:13
9:13
-0:37
40K
24.85 mi14:44:253:41:228:558:12
9:36
+0:23
25.2M
25.20 mi14:48:113:45:088:573:46
10:56
+1:20
FINISH
26.22 mi14:57:533:54:508:589:42
9:32
-1:24

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:31 /mi

Average Pace

8:58 /mi

Slowest Pace

10:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:20:39

60% of race

Time at Steady Pace

50:02

21% of race

Time at Slower Pace

44:09

19% of race

Average Pace: 8:57 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:29:3426:318:3326:31
8:33
#20290
10K
6.21 mi11:56:0753:048:3326:33
8:33
#20397
15K
9.32 mi12:22:561:19:538:3526:49
8:38
#20553
20K
12.43 mi12:50:031:47:008:3727:07
8:44
#20542
HALF
13.11 mi12:55:511:52:488:375:48
8:31
#20529
25K
15.53 mi13:17:092:14:068:3821:18
8:47
#20462
30K
18.64 mi13:45:292:42:268:4328:20
9:08
#20410
20M
20.00 mi13:57:582:54:558:4512:29
9:12
#20357
21M
21.00 mi14:08:093:05:068:4910:11
10:11
#20414
35K
21.75 mi14:14:423:11:398:496:33
8:46
#20365
23M
23.00 mi14:27:003:23:578:5312:18
9:50
#20456
24M
24.00 mi14:36:133:33:108:539:13
9:13
#20452
40K
24.85 mi14:44:253:41:228:558:12
9:36
#20470
25.2M
25.20 mi14:48:113:45:088:573:46
10:56
#20505
FINISH
26.22 mi14:57:533:54:508:589:42
9:32
#20629
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi202907798779820840(Top 72%)8029(Top 64%)8029(Top 651%)
10K6.21 mi3.10 mi20397-1077826-287826-2820600(Top 71%)7919(Top 63%)7919(Top 642%)
15K9.32 mi3.11 mi20553-1567903-777903-7720840(Top 72%)8029(Top 64%)8029(Top 651%)
20K12.43 mi3.11 mi20542+117907-47907-420599(Top 71%)7950(Top 63%)7950(Top 645%)
HALF13.11 mi0.68 mi20529+137902+57902+520351(Top 70%)7782(Top 62%)7782(Top 631%)
25K15.53 mi2.42 mi20462+677877+257877+2520167(Top 69%)7747(Top 62%)7747(Top 628%)
30K18.64 mi3.11 mi20410+527877787720167(Top 69%)7819(Top 62%)7819(Top 634%)
20M20.00 mi1.36 mi20357+537854+237854+2319835(Top 68%)7732(Top 61%)7732(Top 627%)
21M21.00 mi1.00 mi20414-577901-477901-4721025(Top 72%)8395(Top 67%)8395(Top 681%)
35K21.75 mi0.75 mi20365+497880+217880+2118937(Top 65%)7404(Top 59%)7404(Top 600%)
23M23.00 mi1.25 mi20456-917941-617941-6121653(Top 75%)8818(Top 70%)8818(Top 715%)
24M24.00 mi1.00 mi20452+47958-177958-1720354(Top 70%)8227(Top 65%)8227(Top 667%)
40K24.85 mi0.85 mi20470-187979-217979-2120702(Top 71%)8425(Top 67%)8425(Top 683%)
25.2M25.20 mi0.35 mi20505-358004-258004-2522191(Top 76%)9176(Top 73%)9176(Top 744%)
FINISH26.22 mi1.02 mi20629-1248068-648068-6422418(Top 77%)9290(Top 74%)9290(Top 753%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21
+97ft-345ft

Overall

20840

Females

8029

F50-54

8029

5K→10K

3.1 - 6.2 mi

Top 71%
×5
+79ft-138ft

Overall

20600

Females

7919

F50-54

7919

10K→15K

6.2 - 9.3 mi

Top 72%
×3
+67ft-78ft

Overall

20840

Females

8029

F50-54

8029

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20599

Females

7950

F50-54

7950

20K→HALF

12.4 - 13.1 mi

Top 70%
×2
+19ft-37ft

Overall

20351

Females

7782

F50-54

7782

HALF→25K

13.1 - 15.5 mi

Top 69%
×4
+66ft-88ft

Overall

20167

Females

7747

F50-54

7747

25K→30K

15.5 - 18.6 mi

Top 69%
×9
+181ft-148ft

Overall

20167

Females

7819

F50-54

7819

30K→20M

18.6 - 20.0 mi

Top 68%
×5
+64ft-50ft

Overall

19835

Females

7732

F50-54

7732

20M→21M

20.0 - 21.0 mi

Top 72%
×8
+106ft-24ft

Overall

21025

Females

8395

F50-54

8395

21M→35K

21.0 - 21.8 mi

Top 65%
×7
+17ft-86ft

Overall

18937

Females

7404

F50-54

7404

35K→23M

21.8 - 23.0 mi

Top 75%
×5
+23ft-63ft

Overall

21653

Females

8818

F50-54

8818

23M→24M

23.0 - 24.0 mi

Top 70%
×6
+12ft-82ft

Overall

20354

Females

8227

F50-54

8227

24M→40K

24.0 - 24.9 mi

Top 71%
×1
+6ft-20ft

Overall

20702

Females

8425

F50-54

8425

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1
+13ft-16ft

Overall

22191

Females

9176

F50-54

9176

25.2M→FINISH

25.2 - 26.2 mi

Top 77%
×2
+22ft-21ft

Overall

22418

Females

9290

F50-54

9290

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1341
Passed By
1489
Net Change
-339
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20290
5K → 10K200200-107#20290#20397
10K → 15K128200-156#20397#20553
15K → 20K174163+11#20553#20542
20K → HALF3017+13#20542#20529
HALF → 25K170103+67#20529#20462
25K → 30K197145+52#20462#20410
30K → 20M11562+53#20410#20357
20M → 21M67124-57#20357#20414
21M → 35K5910+49#20414#20365
35K → 23M52143-91#20365#20456
23M → 24M6460+4#20456#20452
24M → 40K4664-18#20452#20470
40K → 25.2M1550-35#20470#20505
25.2M → FINISH24148-124#20505#20629
TOTALS13411489-339
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing