Boston Marathon logo
BOSTON MARATHON 2025

Gordon Ly

Bib: 7981•M

AB

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M40-44)
#0 / 2247
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:39
Rank: #7563
Start → 5K
21:39 | 6:58/mi
10K· 6.21 mi
42:45
Rank: #7006 (+557)
5K → 10K
21:06 | 6:47/mi
15K· 9.32 mi
1:03:21
Rank: #6168 (+838)
10K → 15K
20:36 | 6:38/mi
20K· 12.43 mi
1:23:50
Rank: #5434 (+734)
15K → 20K
20:29 | 6:36/mi
Half· 13.11 mi
1:28:12
Rank: #5254 (+180)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:43:48
Rank: #4643 (+611)
Half → 25K
15:36 | 6:26/mi
30K· 18.64 mi
2:04:13
Rank: #4028 (+615)
25K → 30K
20:25 | 6:34/mi
20M
2:13:23
Rank: #3903 (+125)
30K → 20M
9:10 | 6:45/mi
21M
2:20:29
Rank: #3790 (+113)
20M → 21M
7:06 | 7:06/mi
35K· 21.75 mi
2:25:19
Rank: #3713 (+77)
21M → 35K
4:50 | 6:28/mi
23M
2:33:46
Rank: #3593 (+120)
35K → 23M
8:27 | 6:45/mi
24M
2:40:20
Rank: #3473 (+120)
23M → 24M
6:34 | 6:34/mi
40K· 24.85 mi
2:46:11
Rank: #3432 (+41)
24M → 40K
5:51 | 6:51/mi
25.2M
2:48:53
Rank: #3430 (+2)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:56:04
Rank: #3509 (-79)
25.2M → Finish
7:11 | 7:03/mi

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 Half⚖️ Balanced
Distance13.11 mi
Time1:28:12
Pace6:44 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:52
Pace6:42 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:4921:396:5821:39
6:58
-
10K
6.21 mi10:50:5542:456:5321:06
6:47
-0:11
15K
9.32 mi11:11:311:03:216:4820:36
6:38
-0:09
20K
12.43 mi11:32:001:23:506:4520:29
6:36
-0:02
Half
13.11 mi11:36:221:28:126:444:22
6:24
-0:12
25K
15.53 mi11:51:581:43:486:4115:36
6:26
+0:02
30K
18.64 mi12:12:232:04:136:4020:25
6:34
+0:08
20M
20.00 mi12:21:332:13:236:409:10
6:45
+0:11
21M
21.00 mi12:28:392:20:296:417:06
7:06
+0:21
35K
21.75 mi12:33:292:25:196:414:50
6:28
-0:38
23M
23.00 mi12:41:562:33:466:418:27
6:45
+0:17
24M
24.00 mi12:48:302:40:206:416:34
6:34
-0:11
40K
24.85 mi12:54:212:46:116:415:51
6:51
+0:17
25.2M
25.20 mi12:57:032:48:536:422:42
7:50
+0:59
Finish
26.22 mi13:04:142:56:046:437:11
7:03
-0:47

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

6:24 /mi

Average Pace

6:43 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:47

29% of race

Time at Steady Pace

1:25:39

49% of race

Time at Slower Pace

38:38

22% of race

Average Pace: 6:43 /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 mi10:29:4921:396:5821:39
6:58
#7563
10K
6.21 mi10:50:5542:456:5321:06
6:47
#7006
15K
9.32 mi11:11:311:03:216:4820:36
6:38
#6168
20K
12.43 mi11:32:001:23:506:4520:29
6:36
#5434
Half
13.11 mi11:36:221:28:126:444:22
6:24
#5254
25K
15.53 mi11:51:581:43:486:4115:36
6:26
#4643
30K
18.64 mi12:12:232:04:136:4020:25
6:34
#4028
20M
20.00 mi12:21:332:13:236:409:10
6:45
#3903
21M
21.00 mi12:28:392:20:296:417:06
7:06
#3790
35K
21.75 mi12:33:292:25:196:414:50
6:28
#3713
23M
23.00 mi12:41:562:33:466:418:27
6:45
#3593
24M
24.00 mi12:48:302:40:206:416:34
6:34
#3473
40K
24.85 mi12:54:212:46:116:415:51
6:51
#3432
25.2M
25.20 mi12:57:032:48:536:422:42
7:50
#3430
Finish
26.22 mi13:04:142:56:046:437:11
7:03
#3509
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7563671867184509(Top 16%)4226(Top 26%)4226(Top 188%)
10K6.21 mi3.10 mi7006+5576296+4226296+4226303(Top 22%)5726(Top 36%)5726(Top 255%)
15K9.32 mi3.11 mi6168+8385642+6545642+6544509(Top 16%)4226(Top 26%)4226(Top 188%)
20K12.43 mi3.11 mi5434+7345019+6235019+6233656(Top 13%)3453(Top 21%)3453(Top 154%)
Half13.11 mi0.68 mi5254+1804865+1544865+1543098(Top 11%)2959(Top 18%)2959(Top 132%)
25K15.53 mi2.42 mi4643+6114329+5364329+5362535(Top 9%)2411(Top 15%)2411(Top 107%)
30K18.64 mi3.11 mi4028+6153781+5483781+5482297(Top 8%)2176(Top 14%)2176(Top 97%)
20M20.00 mi1.36 mi3903+1253666+1153666+1152682(Top 9%)2516(Top 16%)2516(Top 112%)
21M21.00 mi1.00 mi3790+1133563+1033563+1032700(Top 10%)2510(Top 16%)2510(Top 112%)
35K21.75 mi0.75 mi3713+773490+733490+732317(Top 8%)2169(Top 13%)2169(Top 97%)
23M23.00 mi1.25 mi3593+1203375+1153375+1152482(Top 9%)2301(Top 14%)2301(Top 102%)
24M24.00 mi1.00 mi3473+1203261+1143261+1142367(Top 8%)2192(Top 14%)2192(Top 98%)
40K24.85 mi0.85 mi3432+413219+423219+423062(Top 11%)2758(Top 17%)2758(Top 123%)
25.2M25.20 mi0.35 mi3430+23212+73212+75016(Top 18%)4133(Top 26%)4133(Top 184%)
Finish26.22 mi1.02 mi3509-793276-643276-646048(Top 21%)4756(Top 30%)4756(Top 212%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4509

Males

4226

M40-44

4226

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6303

Males

5726

M40-44

5726

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4509

Males

4226

M40-44

4226

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3656

Males

3453

M40-44

3453

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3098

Males

2959

M40-44

2959

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2535

Males

2411

M40-44

2411

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2297

Males

2176

M40-44

2176

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2682

Males

2516

M40-44

2516

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2700

Males

2510

M40-44

2510

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2317

Males

2169

M40-44

2169

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2482

Males

2301

M40-44

2301

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2367

Males

2192

M40-44

2192

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3062

Males

2758

M40-44

2758

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5016

Males

4133

M40-44

4133

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

6048

Males

4756

M40-44

4756

Passing Analysis

Category:
Athletes Passed
4266
Passed By
212
Net Change
+4054
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7563
5K → 10K59235+557#7563#7006
10K → 15K8391+838#7006#6168
15K → 20K7340+734#6168#5434
20K → Half1800+180#5434#5254
Half → 25K6110+611#5254#4643
25K → 30K6161+615#4643#4028
30K → 20M1316+125#4028#3903
20M → 21M12815+113#3903#3790
21M → 35K792+77#3790#3713
35K → 23M13212+120#3713#3593
23M → 24M1222+120#3593#3473
24M → 40K6120+41#3473#3432
40K → 25.2M2018+2#3432#3430
25.2M → Finish21100-79#3430#3509
TOTALS4266212+4054
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing