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

Nan Li

Bib: 32979•M

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M40-44)
#0 / 2198
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
26:49
3.11 mi
Rank: #20797
Start → 5K
26:49 | 8:38/mi
10K
53:59
6.21 mi
Rank: #21246 (-449)
5K → 10K
27:10 | 8:45/mi
15K
1:21:38
9.32 mi
Rank: #21560 (-314)
10K → 15K
27:39 | 8:54/mi
20K
1:49:51
12.43 mi
Rank: #21728 (-168)
15K → 20K
28:13 | 9:05/mi
HALF
1:55:53
13.11 mi
Rank: #21742 (-14)
20K → HALF
6:02 | 8:52/mi
25K
2:18:00
15.53 mi
Rank: #21712 (+30)
HALF → 25K
22:07 | 9:08/mi
30K
2:48:26
18.64 mi
Rank: #21924 (-212)
25K → 30K
30:26 | 9:48/mi
20M
3:02:00
20.00 mi
Rank: #21985 (-61)
30K → 20M
13:34 | 10:00/mi
21M
3:13:11
21.00 mi
Rank: #22109 (-124)
20M → 21M
11:11 | 11:11/mi
35K
3:21:05
21.75 mi
Rank: #22269 (-160)
21M → 35K
7:54 | 10:34/mi
23M
3:33:30
23.00 mi
Rank: #22227 (+42)
35K → 23M
12:25 | 9:56/mi
24M
3:43:27
24.00 mi
Rank: #22261 (-34)
23M → 24M
9:57 | 9:57/mi
40K
3:51:19
24.85 mi
Rank: #22157 (+104)
24M → 40K
7:52 | 9:13/mi
25.2M
3:55:07
25.20 mi
Rank: #22169 (-12)
40K → 25.2M
3:48 | 11:02/mi
FINISH
4:03:31
26.22 mi
Rank: #22009 (+160)
25.2M → FINISH
8:24 | 8:15/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:55:53
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:07:38
Pace9:45 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:0726:498:3826:49
8:38
-
10K
6.21 mi12:24:1753:598:4227:10
8:45
+0:07
15K
9.32 mi12:51:561:21:388:4627:39
8:54
+0:09
20K
12.43 mi13:20:091:49:518:5128:13
9:05
+0:11
HALF
13.11 mi13:26:111:55:538:516:02
8:52
-0:13
25K
15.53 mi13:48:182:18:008:5422:07
9:08
+0:16
30K
18.64 mi14:18:442:48:269:0330:26
9:48
+0:40
20M
20.00 mi14:32:183:02:009:0713:34
10:00
+0:12
21M
21.00 mi14:43:293:13:119:1211:11
11:11
+1:11
35K
21.75 mi14:51:233:21:059:157:54
10:34
-0:37
23M
23.00 mi15:03:483:33:309:1712:25
9:56
-0:38
24M
24.00 mi15:13:453:43:279:199:57
9:57
+0:01
40K
24.85 mi15:21:373:51:199:197:52
9:13
-0:44
25.2M
25.20 mi15:25:253:55:079:203:48
11:02
+1:49
FINISH
26.22 mi15:33:494:03:319:188:24
8:15
-2:47

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

8:15 /mi

Average Pace

9:18 /mi

Slowest Pace

11:11 /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

1:02:23

26% of race

Time at Steady Pace

1:31:53

38% of race

Time at Slower Pace

1:29:15

37% of race

Average Pace: 9:17 /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 mi11:57:0726:498:3826:49
8:38
#20797
10K
6.21 mi12:24:1753:598:4227:10
8:45
#21246
15K
9.32 mi12:51:561:21:388:4627:39
8:54
#21560
20K
12.43 mi13:20:091:49:518:5128:13
9:05
#21728
HALF
13.11 mi13:26:111:55:538:516:02
8:52
#21742
25K
15.53 mi13:48:182:18:008:5422:07
9:08
#21712
30K
18.64 mi14:18:442:48:269:0330:26
9:48
#21924
20M
20.00 mi14:32:183:02:009:0713:34
10:00
#21985
21M
21.00 mi14:43:293:13:119:1211:11
11:11
#22109
35K
21.75 mi14:51:233:21:059:157:54
10:34
#22269
23M
23.00 mi15:03:483:33:309:1712:25
9:56
#22227
24M
24.00 mi15:13:453:43:279:199:57
9:57
#22261
40K
24.85 mi15:21:373:51:199:197:52
9:13
#22157
25.2M
25.20 mi15:25:253:55:079:203:48
11:02
#22169
FINISH
26.22 mi15:33:494:03:319:188:24
8:15
#22009
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi20797126551265522203(Top 77%)13376(Top 82%)13376(Top 609%)
10K6.21 mi3.10 mi21246-44912873-21812873-21821633(Top 75%)13081(Top 80%)13081(Top 595%)
15K9.32 mi3.11 mi21560-31413020-14713020-14722203(Top 77%)13376(Top 82%)13376(Top 609%)
20K12.43 mi3.11 mi21728-16813107-8713107-8722277(Top 77%)13384(Top 82%)13384(Top 609%)
HALF13.11 mi0.68 mi21742-1413122-1513122-1522024(Top 76%)13282(Top 81%)13282(Top 604%)
25K15.53 mi2.42 mi21712+3013105+1713105+1721693(Top 75%)13083(Top 80%)13083(Top 595%)
30K18.64 mi3.11 mi21924-21213188-8313188-8322551(Top 78%)13404(Top 82%)13404(Top 610%)
20M20.00 mi1.36 mi21985-6113209-2113209-2122535(Top 78%)13320(Top 82%)13320(Top 606%)
21M21.00 mi1.00 mi22109-12413253-4413253-4423503(Top 81%)13726(Top 84%)13726(Top 624%)
35K21.75 mi0.75 mi22269-16013313-6013313-6024400(Top 84%)14108(Top 86%)14108(Top 642%)
23M23.00 mi1.25 mi22227+4213279+3413279+3421905(Top 75%)12877(Top 79%)12877(Top 586%)
24M24.00 mi1.00 mi22261-3413282-313282-322639(Top 78%)13194(Top 81%)13194(Top 600%)
40K24.85 mi0.85 mi22157+10413219+6313219+6319290(Top 66%)11509(Top 70%)11509(Top 524%)
25.2M25.20 mi0.35 mi22169-1213220-113220-122391(Top 77%)13022(Top 80%)13022(Top 592%)
FINISH26.22 mi1.02 mi22009+16013136+8413136+8416667(Top 57%)10294(Top 63%)10294(Top 468%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21
+97ft-345ft

Overall

22203

Males

13376

M40-44

13376

5K→10K

3.1 - 6.2 mi

Top 75%
×5
+79ft-138ft

Overall

21633

Males

13081

M40-44

13081

10K→15K

6.2 - 9.3 mi

Top 77%
×3
+67ft-78ft

Overall

22203

Males

13376

M40-44

13376

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22277

Males

13384

M40-44

13384

20K→HALF

12.4 - 13.1 mi

Top 76%
×2
+19ft-37ft

Overall

22024

Males

13282

M40-44

13282

HALF→25K

13.1 - 15.5 mi

Top 75%
×4
+66ft-88ft

Overall

21693

Males

13083

M40-44

13083

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22551

Males

13404

M40-44

13404

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22535

Males

13320

M40-44

13320

20M→21M

20.0 - 21.0 mi

Top 81%
×8
+106ft-24ft

Overall

23503

Males

13726

M40-44

13726

21M→35K

21.0 - 21.8 mi

Top 84%
×7
+17ft-86ft

Overall

24400

Males

14108

M40-44

14108

35K→23M

21.8 - 23.0 mi

Top 75%
×5
+23ft-63ft

Overall

21905

Males

12877

M40-44

12877

23M→24M

23.0 - 24.0 mi

Top 78%
×6
+12ft-82ft

Overall

22639

Males

13194

M40-44

13194

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19290

Males

11509

M40-44

11509

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1
+13ft-16ft

Overall

22391

Males

13022

M40-44

13022

25.2M→FINISH

25.2 - 26.2 mi

Top 57%
×2
+22ft-21ft

Overall

16667

Males

10294

M40-44

10294

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1127
Passed By
1590
Net Change
-1212
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20797
5K → 10K113200-449#20797#21246
10K → 15K85200-314#21246#21560
15K → 20K106200-168#21560#21728
20K → HALF2842-14#21728#21742
HALF → 25K139109+30#21742#21712
25K → 30K102200-212#21712#21924
30K → 20M63124-61#21924#21985
20M → 21M48172-124#21985#22109
21M → 35K18178-160#22109#22269
35K → 23M10058+42#22269#22227
23M → 24M4175-34#22227#22261
24M → 40K1117+104#22261#22157
40K → 25.2M1224-12#22157#22169
25.2M → FINISH1611+160#22169#22009
TOTALS11271590-1212
📊

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...

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