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BOSTON MARATHON 2025

Myron Coulson

Bib: 21207•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
8:45/mi
27:10
↑ 97↓ 3451.5%
10K· 6.21 mi
8:43/mi
54:15
↑ 79↓ 1380.4%
15K· 9.32 mi
8:51/mi
1:21:45
↑ 67↓ 78
20K· 12.43 mi
9:17/mi
1:50:34
↑ 106↓ 860.1%
Half· 13.11 mi
9:08/mi
1:56:48
↑ 19↓ 370.5%
25K· 15.53 mi
10:32/mi
2:22:21
↑ 66↓ 880.2%
30K· 18.64 mi
13:34/mi
3:04:30
↑ 181↓ 1480.2%
20M
13:26/mi
3:22:45
↑ 64↓ 500.2%
21M
15:37/mi
3:38:22
↑ 106↓ 241.6%
35K· 21.75 mi
12:18/mi
3:47:34
↑ 17↓ 861.7%
23M
13:05/mi
4:03:57
↑ 23↓ 630.6%
24M
11:56/mi
4:15:53
↓ 821.3%
40K· 24.85 mi
12:14/mi
4:26:21
↓ 200.3%
25.2M
13:15/mi
4:30:55
↑ 13↓ 160.2%
Finish· 26.22 mi
10:37/mi
4:41:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:48
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:44:56
Pace12:35 /mi
📊Positive Split: 41.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4127:108:4527:10
8:45
-
10K
6.21 mi11:47:4654:158:4427:05
8:43
-0:02
15K
9.32 mi12:15:161:21:458:4627:30
8:51
+0:08
20K
12.43 mi12:44:051:50:348:5428:49
9:17
+0:26
Half
13.11 mi12:50:191:56:488:556:14
9:08
-0:09
25K
15.53 mi13:15:522:22:219:1025:33
10:32
+1:24
30K
18.64 mi13:58:013:04:309:5442:09
13:34
+3:02
20M
20.00 mi14:16:163:22:4510:0818:15
13:26
-0:08
21M
21.00 mi14:31:533:38:2210:2415:37
15:37
+2:11
35K
21.75 mi14:41:053:47:3410:289:12
12:18
-3:19
23M
23.00 mi14:57:284:03:5710:3616:23
13:05
+0:47
24M
24.00 mi15:09:244:15:5310:4011:56
11:56
-1:09
40K
24.85 mi15:19:524:26:2110:4310:28
12:14
+0:18
25.2M
25.20 mi15:24:264:30:5510:454:34
13:15
+1:01
Finish
26.22 mi15:35:154:41:4410:4510:49
10:37
-2:38

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

8:43 /mi

Average Pace

10:45 /mi

Slowest Pace

15:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:10

54% of race

Time at Steady Pace

31:36

11% of race

Time at Slower Pace

1:36:58

34% of race

Average Pace: 10:45 /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 mi11:20:4127:108:4527:10
8:45
#21221
10K
6.21 mi11:47:4654:158:4427:05
8:43
#21057
15K
9.32 mi12:15:161:21:458:4627:30
8:51
#21095
20K
12.43 mi12:44:051:50:348:5428:49
9:17
#21434
Half
13.11 mi12:50:191:56:488:556:14
9:08
#21480
25K
15.53 mi13:15:522:22:219:1025:33
10:32
#22303
30K
18.64 mi13:58:013:04:309:5442:09
13:34
#23957
20M
20.00 mi14:16:163:22:4510:0818:15
13:26
#24337
21M
21.00 mi14:31:533:38:2210:2415:37
15:37
#24668
35K
21.75 mi14:41:053:47:3410:289:12
12:18
#24743
23M
23.00 mi14:57:284:03:5710:3616:23
13:05
#24897
24M
24.00 mi15:09:244:15:5310:4011:56
11:56
#24941
40K
24.85 mi15:19:524:26:2110:4310:28
12:14
#24954
25.2M
25.20 mi15:24:264:30:5510:454:34
13:15
#24976
Finish
26.22 mi15:35:154:41:4410:4510:49
10:37
#24972
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21221129601296021293(Top 75%)13078(Top 81%)13078(Top 1039%)
10K6.21 mi3.10 mi21057+16412919+4112919+4120969(Top 74%)12911(Top 80%)12911(Top 1025%)
15K9.32 mi3.11 mi21095-3812950-3112950-3121293(Top 75%)13078(Top 81%)13078(Top 1039%)
20K12.43 mi3.11 mi21434-33913095-14513095-14522203(Top 78%)13447(Top 83%)13447(Top 1068%)
Half13.11 mi0.68 mi21480-4613118-2313118-2322371(Top 79%)13508(Top 84%)13508(Top 1073%)
25K15.53 mi2.42 mi22303-82313481-36313481-36324439(Top 86%)14393(Top 89%)14393(Top 1143%)
30K18.64 mi3.11 mi23957-165414189-70814189-70827187(Top 96%)15519(Top 96%)15519(Top 1233%)
20M20.00 mi1.36 mi24337-38014346-15714346-15726821(Top 94%)15290(Top 95%)15290(Top 1214%)
21M21.00 mi1.00 mi24668-33114481-13514481-13527612(Top 97%)15674(Top 97%)15674(Top 1245%)
35K21.75 mi0.75 mi24743-7514511-3014511-3026243(Top 92%)14961(Top 93%)14961(Top 1188%)
23M23.00 mi1.25 mi24897-15414561-5014561-5026482(Top 93%)15074(Top 94%)15074(Top 1197%)
24M24.00 mi1.00 mi24941-4414565-414565-425588(Top 90%)14596(Top 91%)14596(Top 1159%)
40K24.85 mi0.85 mi24954-1314560+514560+525299(Top 89%)14417(Top 90%)14417(Top 1145%)
25.2M25.20 mi0.35 mi24976-2214572-1214572-1225357(Top 89%)14423(Top 90%)14423(Top 1146%)
Finish26.22 mi1.02 mi24972+414564+814564+824540(Top 86%)14056(Top 87%)14056(Top 1116%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

21293

Males

13078

M60-64

13078

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

20969

Males

12911

M60-64

12911

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

21293

Males

13078

M60-64

13078

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22203

Males

13447

M60-64

13447

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

22371

Males

13508

M60-64

13508

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24439

Males

14393

M60-64

14393

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

27187

Males

15519

M60-64

15519

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

26821

Males

15290

M60-64

15290

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

27612

Males

15674

M60-64

15674

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26243

Males

14961

M60-64

14961

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

26482

Males

15074

M60-64

15074

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25588

Males

14596

M60-64

14596

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25299

Males

14417

M60-64

14417

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25357

Males

14423

M60-64

14423

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24540

Males

14056

M60-64

14056

Passing Analysis

Category:
Athletes Passed
847
Passed By
4598
Net Change
-3751
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21221
5K → 10K364200+164#21221#21057
10K → 15K178216-38#21057#21095
15K → 20K117456-339#21095#21434
20K → Half1561-46#21434#21480
Half → 25K21844-823#21480#22303
25K → 30K71661-1654#22303#23957
30K → 20M17397-380#23957#24337
20M → 21M13344-331#24337#24668
21M → 35K1085-75#24668#24743
35K → 23M14168-154#24743#24897
23M → 24M2468-44#24897#24941
24M → 40K2942-13#24941#24954
40K → 25.2M729-22#24954#24976
25.2M → Finish3127+4#24976#24972
TOTALS8474598-3751
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing