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BOSTON MARATHON 2025

Mark Thompson

Bib: 27830•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
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
8:35/mi
26:41
↑ 97↓ 3451.5%
10K· 6.21 mi
8:20/mi
52:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:21/mi
1:18:30
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:44:13
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:49:51
↑ 19↓ 370.5%
25K· 15.53 mi
8:27/mi
2:10:21
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:37:43
↑ 181↓ 1480.2%
20M
9:05/mi
2:50:04
↑ 64↓ 500.2%
21M
9:40/mi
2:59:44
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
3:06:19
↑ 17↓ 861.7%
23M
9:40/mi
3:18:25
↑ 23↓ 630.6%
24M
9:42/mi
3:28:07
↓ 821.3%
40K· 24.85 mi
9:27/mi
3:36:12
↓ 200.3%
25.2M
9:37/mi
3:39:31
↑ 13↓ 160.2%
Finish· 26.22 mi
8:32/mi
3:48:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:51
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:58:22
Pace9:02 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5226:418:3526:41
8:35
-
10K
6.21 mi12:17:4652:358:2825:54
8:20
-0:15
15K
9.32 mi12:43:411:18:308:2525:55
8:21
+0:01
20K
12.43 mi13:09:241:44:138:2325:43
8:17
-0:04
Half
13.11 mi13:15:021:49:518:235:38
8:15
-0:02
25K
15.53 mi13:35:322:10:218:2320:30
8:27
+0:12
30K
18.64 mi14:02:542:37:438:2827:22
8:49
+0:22
20M
20.00 mi14:15:152:50:048:3012:21
9:05
+0:16
21M
21.00 mi14:24:552:59:448:349:40
9:40
+0:35
35K
21.75 mi14:31:303:06:198:346:35
8:48
-0:52
23M
23.00 mi14:43:363:18:258:3812:06
9:40
+0:52
24M
24.00 mi14:53:183:28:078:409:42
9:42
+0:02
40K
24.85 mi15:01:233:36:128:428:05
9:27
-0:15
25.2M
25.20 mi15:04:423:39:318:433:19
9:37
+0:10
Finish
26.22 mi15:13:243:48:138:438:42
8:32
-1:05

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

8:15 /mi

Average Pace

8:43 /mi

Slowest Pace

9:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:00

76% of race

Time at Steady Pace

55:13

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:42 /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 mi11:51:5226:418:3526:41
8:35
#20381
10K
6.21 mi12:17:4652:358:2825:54
8:20
#19603
15K
9.32 mi12:43:411:18:308:2525:55
8:21
#19162
20K
12.43 mi13:09:241:44:138:2325:43
8:17
#18562
Half
13.11 mi13:15:021:49:518:235:38
8:15
#18512
25K
15.53 mi13:35:322:10:218:2320:30
8:27
#18207
30K
18.64 mi14:02:542:37:438:2827:22
8:49
#17842
20M
20.00 mi14:15:152:50:048:3012:21
9:05
#17801
21M
21.00 mi14:24:552:59:448:349:40
9:40
#17747
35K
21.75 mi14:31:303:06:198:346:35
8:48
#17711
23M
23.00 mi14:43:363:18:258:3812:06
9:40
#17834
24M
24.00 mi14:53:183:28:078:409:42
9:42
#17971
40K
24.85 mi15:01:233:36:128:428:05
9:27
#17999
25.2M
25.20 mi15:04:423:39:318:433:19
9:37
#17955
Finish
26.22 mi15:13:243:48:138:438:42
8:32
#17895
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi20381125871258718323(Top 65%)11768(Top 73%)11768(Top 524%)
10K6.21 mi3.10 mi19603+77812302+28512302+28518782(Top 66%)11974(Top 74%)11974(Top 533%)
15K9.32 mi3.11 mi19162+44112114+18812114+18818323(Top 65%)11768(Top 73%)11768(Top 524%)
20K12.43 mi3.11 mi18562+60011854+26011854+26016796(Top 59%)11085(Top 69%)11085(Top 493%)
Half13.11 mi0.68 mi18512+5011837+1711837+1717614(Top 62%)11456(Top 71%)11456(Top 510%)
25K15.53 mi2.42 mi18207+30511680+15711680+15716903(Top 60%)11058(Top 69%)11058(Top 492%)
30K18.64 mi3.11 mi17842+36511479+20111479+20116649(Top 59%)10775(Top 67%)10775(Top 480%)
20M20.00 mi1.36 mi17801+4111434+4511434+4517245(Top 61%)10924(Top 68%)10924(Top 486%)
21M21.00 mi1.00 mi17747+5411400+3411400+3416855(Top 59%)10629(Top 66%)10629(Top 473%)
35K21.75 mi0.75 mi17711+3611370+3011370+3017232(Top 61%)10710(Top 67%)10710(Top 477%)
23M23.00 mi1.25 mi17834-12311382-1211382-1219320(Top 68%)11587(Top 72%)11587(Top 516%)
24M24.00 mi1.00 mi17971-13711413-3111413-3120362(Top 72%)12037(Top 75%)12037(Top 536%)
40K24.85 mi0.85 mi17999-2811401+1211401+1218504(Top 65%)11071(Top 69%)11071(Top 493%)
25.2M25.20 mi0.35 mi17955+4411378+2311378+2315162(Top 53%)9501(Top 59%)9501(Top 423%)
Finish26.22 mi1.02 mi17895+6011332+4611332+4616436(Top 58%)10129(Top 63%)10129(Top 451%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18323

Males

11768

M40-44

11768

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18782

Males

11974

M40-44

11974

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18323

Males

11768

M40-44

11768

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16796

Males

11085

M40-44

11085

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17614

Males

11456

M40-44

11456

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

16903

Males

11058

M40-44

11058

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16649

Males

10775

M40-44

10775

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17245

Males

10924

M40-44

10924

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16855

Males

10629

M40-44

10629

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17232

Males

10710

M40-44

10710

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

19320

Males

11587

M40-44

11587

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

20362

Males

12037

M40-44

12037

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18504

Males

11071

M40-44

11071

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15162

Males

9501

M40-44

9501

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16436

Males

10129

M40-44

10129

Passing Analysis

Category:
Athletes Passed
3458
Passed By
972
Net Change
+2486
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20381
5K → 10K84466+778#20381#19603
10K → 15K48544+441#19603#19162
15K → 20K61212+600#19162#18562
20K → Half6616+50#18562#18512
Half → 25K34136+305#18512#18207
25K → 30K43065+365#18207#17842
30K → 20M142101+41#17842#17801
20M → 21M12167+54#17801#17747
21M → 35K7741+36#17747#17711
35K → 23M79202-123#17711#17834
23M → 24M46183-137#17834#17971
24M → 40K5684-28#17971#17999
40K → 25.2M528+44#17999#17955
25.2M → Finish10747+60#17955#17895
TOTALS3458972+2486
📊

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