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BOSTON MARATHON 2025

Will Henderson

Bib: 12846•M

CA

0:00
0:00
/ mi
Masters
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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

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
7:08/mi
22:10
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
44:12
↑ 79↓ 1380.4%
15K· 9.32 mi
7:14/mi
1:06:41
↑ 67↓ 78
20K· 12.43 mi
9:52/mi
1:37:19
↑ 106↓ 860.1%
Half· 13.11 mi
9:14/mi
1:43:37
↑ 19↓ 370.5%
25K· 15.53 mi
8:27/mi
2:04:07
↑ 66↓ 880.2%
30K· 18.64 mi
8:27/mi
2:30:23
↑ 181↓ 1480.2%
20M
8:43/mi
2:42:14
↑ 64↓ 500.2%
21M
12:45/mi
2:54:59
↑ 106↓ 241.6%
35K· 21.75 mi
13:29/mi
3:05:04
↑ 17↓ 861.7%
23M
10:47/mi
3:18:34
↑ 23↓ 630.6%
24M
9:44/mi
3:28:18
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:35:29
↓ 200.3%
25.2M
8:07/mi
3:38:17
↑ 13↓ 160.2%
Finish· 26.22 mi
7:10/mi
3:45:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:37
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time2:01:58
Pace9:18 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5122:107:0822:10
7:08
-
10K
6.21 mi11:11:5344:127:0722:02
7:06
-0:02
15K
9.32 mi11:34:221:06:417:0922:29
7:14
+0:08
20K
12.43 mi12:05:001:37:197:5030:38
9:52
+2:38
Half
13.11 mi12:11:181:43:377:546:18
9:14
-0:38
25K
15.53 mi12:31:482:04:077:5920:30
8:27
-0:47
30K
18.64 mi12:58:042:30:238:0426:16
8:27
0:00
20M
20.00 mi13:09:552:42:148:0711:51
8:43
+0:16
21M
21.00 mi13:22:402:54:598:2012:45
12:45
+4:02
35K
21.75 mi13:32:453:05:048:3110:05
13:29
+0:44
23M
23.00 mi13:46:153:18:348:3813:30
10:47
-2:42
24M
24.00 mi13:55:593:28:188:419:44
9:44
-1:03
40K
24.85 mi14:03:103:35:298:407:11
8:24
-1:20
25.2M
25.20 mi14:05:583:38:178:402:48
8:07
-0:17
Finish
26.22 mi14:13:163:45:358:377:18
7:10
-0:57

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

7:06 /mi

Average Pace

8:37 /mi

Slowest Pace

13:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:59

33% of race

Time at Steady Pace

1:14:54

33% of race

Time at Slower Pace

1:16:42

34% of race

Average Pace: 8:36 /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 mi10:49:5122:107:0822:10
7:08
#8924
10K
6.21 mi11:11:5344:127:0722:02
7:06
#8737
15K
9.32 mi11:34:221:06:417:0922:29
7:14
#8944
20K
12.43 mi12:05:001:37:197:5030:38
9:52
#14495
Half
13.11 mi12:11:181:43:377:546:18
9:14
#15131
25K
15.53 mi12:31:482:04:077:5920:30
8:27
#15465
30K
18.64 mi12:58:042:30:238:0426:16
8:27
#15266
20M
20.00 mi13:09:552:42:148:0711:51
8:43
#15237
21M
21.00 mi13:22:402:54:598:2012:45
12:45
#16279
35K
21.75 mi13:32:453:05:048:3110:05
13:29
#17331
23M
23.00 mi13:46:153:18:348:3813:30
10:47
#17877
24M
24.00 mi13:55:593:28:188:419:44
9:44
#18015
40K
24.85 mi14:03:103:35:298:407:11
8:24
#17824
25.2M
25.20 mi14:05:583:38:178:402:48
8:07
#17634
Finish
26.22 mi14:13:163:45:358:377:18
7:10
#17286
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8924757075709433(Top 33%)7791(Top 48%)7791(Top 390%)
10K6.21 mi3.10 mi8737+1877445+1257445+1258612(Top 30%)7375(Top 46%)7375(Top 369%)
15K9.32 mi3.11 mi8944-2077555-1107555-1109433(Top 33%)7791(Top 48%)7791(Top 390%)
20K12.43 mi3.11 mi14495-555110168-261310168-261323904(Top 84%)14189(Top 88%)14189(Top 711%)
Half13.11 mi0.68 mi15131-63610431-26310431-26322690(Top 80%)13637(Top 85%)13637(Top 683%)
25K15.53 mi2.42 mi15465-33410550-11910550-11916899(Top 59%)11054(Top 69%)11054(Top 554%)
30K18.64 mi3.11 mi15266+19910417+13310417+13314476(Top 51%)9820(Top 61%)9820(Top 492%)
20M20.00 mi1.36 mi15237+2910365+5210365+5215182(Top 53%)10006(Top 62%)10006(Top 501%)
21M21.00 mi1.00 mi16279-104210774-40910774-40924729(Top 87%)14241(Top 88%)14241(Top 713%)
35K21.75 mi0.75 mi17331-105211182-40811182-40827355(Top 96%)15513(Top 96%)15513(Top 777%)
23M23.00 mi1.25 mi17877-54611399-21711399-21722699(Top 80%)13198(Top 82%)13198(Top 661%)
24M24.00 mi1.00 mi18015-13811438-3911438-3920479(Top 72%)12081(Top 75%)12081(Top 605%)
40K24.85 mi0.85 mi17824+19111325+11311325+11312803(Top 45%)8444(Top 52%)8444(Top 423%)
25.2M25.20 mi0.35 mi17634+19011224+10111224+1016622(Top 23%)5151(Top 32%)5151(Top 258%)
Finish26.22 mi1.02 mi17286+34811058+16611058+1666824(Top 24%)5234(Top 32%)5234(Top 262%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9433

Males

7791

M50-54

7791

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8612

Males

7375

M50-54

7375

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9433

Males

7791

M50-54

7791

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23904

Males

14189

M50-54

14189

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22690

Males

13637

M50-54

13637

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

16899

Males

11054

M50-54

11054

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14476

Males

9820

M50-54

9820

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15182

Males

10006

M50-54

10006

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

24729

Males

14241

M50-54

14241

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

27355

Males

15513

M50-54

15513

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22699

Males

13198

M50-54

13198

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

20479

Males

12081

M50-54

12081

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12803

Males

8444

M50-54

8444

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6622

Males

5151

M50-54

5151

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6824

Males

5234

M50-54

5234

Passing Analysis

Category:
Athletes Passed
1768
Passed By
10128
Net Change
-8362
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8924
5K → 10K319132+187#8924#8737
10K → 15K97304-207#8737#8944
15K → 20K25551-5551#8944#14495
20K → Half1637-636#14495#15131
Half → 25K89423-334#15131#15465
25K → 30K331132+199#15465#15266
30K → 20M12596+29#15266#15237
20M → 21M61048-1042#15237#16279
21M → 35K21054-1052#16279#17331
35K → 23M25571-546#17331#17877
23M → 24M39177-138#17877#18015
24M → 40K1932+191#18015#17824
40K → 25.2M1911+190#17824#17634
25.2M → Finish3480+348#17634#17286
TOTALS176810128-8362
📊

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