Boston Marathon logo
BOSTON MARATHON 2025

James Thompson

NC

Bib: 28785 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:44/mi
27:09
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:44/mi
54:17
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:00/mi
1:22:16
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:30/mi
1:51:46
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:05/mi
1:57:58
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:38/mi
2:21:20
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:22/mi
2:53:33
↑ 181↓ 1480.2%
138 ft elev
20M
10:24/mi
3:07:41
↑ 64↓ 500.2%
148 ft elev
21M
12:33/mi
3:20:14
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:59/mi
3:28:27
↑ 17↓ 861.7%
156 ft elev
23M
11:49/mi
3:43:15
↑ 23↓ 630.6%
116 ft elev
24M
11:12/mi
3:54:27
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:04/mi
4:03:55
↓ 200.3%
20 ft elev
25.2M
13:17/mi
4:08:30
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:42/mi
4:18:23
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:58
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:20:25
Pace10:43 /mi
📊Positive Split: 19.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:4427:098:4427:09
8:44
-
10K
6.21 mi12:10:5254:178:4427:08
8:44
0:00
15K
9.32 mi12:38:511:22:168:5027:59
9:00
+0:16
20K
12.43 mi13:08:211:51:469:0029:30
9:30
+0:30
Half
13.11 mi13:14:331:57:589:006:12
9:05
-0:25
25K
15.53 mi13:37:552:21:209:0623:22
9:38
+0:33
30K
18.64 mi14:10:082:53:339:1932:13
10:22
+0:44
20M
20.00 mi14:24:163:07:419:2314:08
10:24
+0:02
21M
21.00 mi14:36:493:20:149:3212:33
12:33
+2:09
35K
21.75 mi14:45:023:28:279:358:13
10:59
-1:34
23M
23.00 mi14:59:503:43:159:4214:48
11:49
+0:50
24M
24.00 mi15:11:023:54:279:4611:12
11:12
-0:37
40K
24.85 mi15:20:304:03:559:499:28
11:04
-0:08
25.2M
25.20 mi15:25:054:08:309:524:35
13:17
+2:13
Finish
26.22 mi15:34:584:18:239:529:53
9:42
-3:35

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

9:52 /mi

Slowest Pace

13:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:20

55% of race

Time at Steady Pace

1:04:27

25% of race

Time at Slower Pace

52:36

20% of race

Average Pace: 9:51 /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 mi11:43:4427:098:4427:09
8:44
#21187
10K
6.21 mi12:10:5254:178:4427:08
8:44
#21083
15K
9.32 mi12:38:511:22:168:5027:59
9:00
#21400
20K
12.43 mi13:08:211:51:469:0029:30
9:30
#21905
Half
13.11 mi13:14:331:57:589:006:12
9:05
#21914
25K
15.53 mi13:37:552:21:209:0623:22
9:38
#21989
30K
18.64 mi14:10:082:53:339:1932:13
10:22
#22190
20M
20.00 mi14:24:163:07:419:2314:08
10:24
#22193
21M
21.00 mi14:36:493:20:149:3212:33
12:33
#22359
35K
21.75 mi14:45:023:28:279:358:13
10:59
#22438
23M
23.00 mi14:59:503:43:159:4214:48
11:49
#22616
24M
24.00 mi15:11:023:54:279:4611:12
11:12
#22690
40K
24.85 mi15:20:304:03:559:499:28
11:04
#22706
25.2M
25.20 mi15:25:054:08:309:524:35
13:17
#22776
Finish
26.22 mi15:34:584:18:239:529:53
9:42
#22749
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21187129371293722072(Top 78%)13409(Top 83%)13409(Top 672%)
10K6.21 mi3.10 mi21083+10412926+1112926+1121060(Top 74%)12947(Top 80%)12947(Top 649%)
15K9.32 mi3.11 mi21400-31713089-16313089-16322072(Top 78%)13409(Top 83%)13409(Top 672%)
20K12.43 mi3.11 mi21905-50513295-20613295-20622875(Top 81%)13733(Top 85%)13733(Top 688%)
Half13.11 mi0.68 mi21914-913298-313298-322139(Top 78%)13385(Top 83%)13385(Top 671%)
25K15.53 mi2.42 mi21989-7513330-3213330-3222301(Top 79%)13426(Top 83%)13426(Top 673%)
30K18.64 mi3.11 mi22190-20113404-7413404-7422632(Top 80%)13447(Top 83%)13447(Top 674%)
20M20.00 mi1.36 mi22193-313386+1813386+1822140(Top 78%)13100(Top 81%)13100(Top 656%)
21M21.00 mi1.00 mi22359-16613430-4413430-4424454(Top 86%)14123(Top 88%)14123(Top 708%)
35K21.75 mi0.75 mi22438-7913452-2213452-2224143(Top 85%)13938(Top 87%)13938(Top 698%)
23M23.00 mi1.25 mi22616-17813501-4913501-4924800(Top 87%)14236(Top 88%)14236(Top 713%)
24M24.00 mi1.00 mi22690-7413514-1313514-1324378(Top 86%)14002(Top 87%)14002(Top 702%)
40K24.85 mi0.85 mi22706-1613504+1013504+1023294(Top 82%)13386(Top 83%)13386(Top 671%)
25.2M25.20 mi0.35 mi22776-7013525-2113525-2125388(Top 89%)14433(Top 90%)14433(Top 723%)
Finish26.22 mi1.02 mi22749+2713497+2813497+2821887(Top 77%)12720(Top 79%)12720(Top 637%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

22072

Males

13409

M50-54

13409

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

21060

Males

12947

M50-54

12947

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

22072

Males

13409

M50-54

13409

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

22875

Males

13733

M50-54

13733

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

22139

Males

13385

M50-54

13385

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

22301

Males

13426

M50-54

13426

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22632

Males

13447

M50-54

13447

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

22140

Males

13100

M50-54

13100

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

24454

Males

14123

M50-54

14123

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24143

Males

13938

M50-54

13938

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24800

Males

14236

M50-54

14236

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24378

Males

14002

M50-54

14002

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23294

Males

13386

M50-54

13386

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25388

Males

14433

M50-54

14433

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

21887

Males

12720

M50-54

12720

Passing Analysis

Category:
Athletes Passed
1122
Passed By
2684
Net Change
-1562
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21187
5K → 10K333229+104#21187#21083
10K → 15K118435-317#21083#21400
15K → 20K79584-505#21400#21905
20K → Half3342-9#21905#21914
Half → 25K125200-75#21914#21989
25K → 30K125326-201#21989#22190
30K → 20M7881-3#22190#22193
20M → 21M40206-166#22193#22359
21M → 35K22101-79#22359#22438
35K → 23M29207-178#22438#22616
23M → 24M34108-74#22616#22690
24M → 40K4056-16#22690#22706
40K → 25.2M676-70#22706#22776
25.2M → Finish6033+27#22776#22749
TOTALS11222684-1562
📊

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