Boston Marathon logo
BOSTON MARATHON 2023

Asha Singh

Bib: 21112•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:47/mi
27:16
↑ 97↓ 3451.5%
10K· 6.21 mi
8:56/mi
55:00
↑ 79↓ 1380.4%
15K· 9.32 mi
9:02/mi
1:23:03
↑ 67↓ 78
20K· 12.43 mi
9:20/mi
1:52:04
↑ 106↓ 860.1%
Half· 13.11 mi
9:04/mi
1:58:15
↑ 19↓ 370.5%
25K· 15.53 mi
9:28/mi
2:21:12
↑ 66↓ 880.2%
30K· 18.64 mi
9:56/mi
2:52:04
↑ 181↓ 1480.2%
20M
9:38/mi
3:05:09
↑ 64↓ 500.2%
21M
10:56/mi
3:16:05
↑ 106↓ 241.6%
35K· 21.75 mi
9:15/mi
3:23:00
↑ 17↓ 861.7%
23M
9:28/mi
3:34:51
↑ 23↓ 630.6%
24M
9:12/mi
3:44:03
↓ 821.3%
40K· 24.85 mi
9:16/mi
3:51:58
↓ 200.3%
25.2M
10:00/mi
3:55:25
↑ 13↓ 160.2%
Finish· 26.22 mi
8:44/mi
4:04:19
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:15
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:06:04
Pace9:37 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4727:168:4727:16
8:47
-
10K
6.21 mi11:48:3155:008:5127:44
8:56
+0:09
15K
9.32 mi12:16:341:23:038:5528:03
9:02
+0:06
20K
12.43 mi12:45:351:52:049:0129:01
9:20
+0:18
Half
13.11 mi12:51:461:58:159:016:11
9:04
-0:16
25K
15.53 mi13:14:432:21:129:0522:57
9:28
+0:24
30K
18.64 mi13:45:352:52:049:1430:52
9:56
+0:28
20M
20.00 mi13:58:403:05:099:1513:05
9:38
-0:18
21M
21.00 mi14:09:363:16:059:2010:56
10:56
+1:18
35K
21.75 mi14:16:313:23:009:206:55
9:15
-1:41
23M
23.00 mi14:28:223:34:519:2011:51
9:28
+0:13
24M
24.00 mi14:37:343:44:039:209:12
9:12
-0:16
40K
24.85 mi14:45:293:51:589:207:55
9:16
+0:04
25.2M
25.20 mi14:48:563:55:259:213:27
10:00
+0:44
Finish
26.22 mi14:57:504:04:199:208:54
8:44
-1:16

Checkpoints & Pacing

📈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

8:44 /mi

Average Pace

9:20 /mi

Slowest Pace

10:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:54

26% of race

Time at Steady Pace

2:02:05

50% of race

Time at Slower Pace

58:20

24% of race

Average Pace: 9:19 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:20:4727:168:4727:16
8:47
#19342
10K
6.21 mi11:48:3155:008:5127:44
8:56
#19940
15K
9.32 mi12:16:341:23:038:5528:03
9:02
#20168
20K
12.43 mi12:45:351:52:049:0129:01
9:20
#20443
Half
13.11 mi12:51:461:58:159:016:11
9:04
#20455
25K
15.53 mi13:14:432:21:129:0522:57
9:28
#20511
30K
18.64 mi13:45:352:52:049:1430:52
9:56
#20568
20M
20.00 mi13:58:403:05:099:1513:05
9:38
#20465
21M
21.00 mi14:09:363:16:059:2010:56
10:56
#20471
35K
21.75 mi14:16:313:23:009:206:55
9:15
#20397
23M
23.00 mi14:28:223:34:519:2011:51
9:28
#20274
24M
24.00 mi14:37:343:44:039:209:12
9:12
#20187
40K
24.85 mi14:45:293:51:589:207:55
9:16
#20092
25.2M
25.20 mi14:48:563:55:259:213:27
10:00
#20054
Finish
26.22 mi14:57:504:04:199:208:54
8:44
#19951
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi193427409740920629(Top 77%)8029(Top 70%)8029(Top 985%)
10K6.21 mi3.10 mi19940-5987734-3257734-32520563(Top 77%)8018(Top 70%)8018(Top 984%)
15K9.32 mi3.11 mi20168-2287828-947828-9420629(Top 77%)8029(Top 70%)8029(Top 985%)
20K12.43 mi3.11 mi20443-2757970-1427970-14221072(Top 79%)8276(Top 72%)8276(Top 1015%)
Half13.11 mi0.68 mi20455-127970797020719(Top 78%)8081(Top 71%)8081(Top 992%)
25K15.53 mi2.42 mi20511-567992-227992-2220734(Top 78%)8123(Top 71%)8123(Top 997%)
30K18.64 mi3.11 mi20568-578046-548046-5420834(Top 78%)8248(Top 72%)8248(Top 1012%)
20M20.00 mi1.36 mi20465+1037998+487998+4819341(Top 73%)7483(Top 66%)7483(Top 918%)
21M21.00 mi1.00 mi20471-68012-148012-1420682(Top 78%)8278(Top 72%)8278(Top 1016%)
35K21.75 mi0.75 mi20397+747984+287984+2818960(Top 71%)7373(Top 65%)7373(Top 905%)
23M23.00 mi1.25 mi20274+1237922+627922+6218212(Top 68%)6986(Top 61%)6986(Top 857%)
24M24.00 mi1.00 mi20187+877886+367886+3618080(Top 68%)6950(Top 61%)6950(Top 853%)
40K24.85 mi0.85 mi20092+957835+517835+5117385(Top 65%)6628(Top 58%)6628(Top 813%)
25.2M25.20 mi0.35 mi20054+387823+127823+1217473(Top 66%)6706(Top 59%)6706(Top 823%)
Finish26.22 mi1.02 mi19951+1037763+607763+6016707(Top 63%)6220(Top 54%)6220(Top 763%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20629

Females

8029

F55-59

8029

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20563

Females

8018

F55-59

8018

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20629

Females

8029

F55-59

8029

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

21072

Females

8276

F55-59

8276

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20719

Females

8081

F55-59

8081

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20734

Females

8123

F55-59

8123

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

20834

Females

8248

F55-59

8248

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19341

Females

7483

F55-59

7483

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20682

Females

8278

F55-59

8278

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18960

Females

7373

F55-59

7373

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

18212

Females

6986

F55-59

6986

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

18080

Females

6950

F55-59

6950

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17385

Females

6628

F55-59

6628

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17473

Females

6706

F55-59

6706

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16707

Females

6220

F55-59

6220

Passing Analysis

Category:
Athletes Passed
1318
Passed By
1927
Net Change
-609
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19342
5K → 10K119717-598#19342#19940
10K → 15K109337-228#19940#20168
15K → 20K87362-275#20168#20443
20K → Half2436-12#20443#20455
Half → 25K82138-56#20455#20511
25K → 30K130187-57#20511#20568
30K → 20M12623+103#20568#20465
20M → 21M6975-6#20465#20471
21M → 35K839+74#20471#20397
35K → 23M13512+123#20397#20274
23M → 24M9710+87#20274#20187
24M → 40K1049+95#20187#20092
40K → 25.2M402+38#20092#20054
25.2M → Finish11310+103#20054#19951
TOTALS13181927-609
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

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

.gpx files up to 10MB

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing