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BOSTON MARATHON 2025

Bill Broten

Bib: 21012•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Top 36%
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
8:30/mi
26:25
↑ 97↓ 3451.5%
10K· 6.21 mi
9:01/mi
54:26
↑ 79↓ 1380.4%
15K· 9.32 mi
8:50/mi
1:21:54
↑ 67↓ 78
20K· 12.43 mi
9:02/mi
1:49:58
↑ 106↓ 860.1%
Half· 13.11 mi
8:55/mi
1:56:03
↑ 19↓ 370.5%
25K· 15.53 mi
9:10/mi
2:18:17
↑ 66↓ 880.2%
30K· 18.64 mi
9:20/mi
2:47:18
↑ 181↓ 1480.2%
20M
9:23/mi
3:00:03
↑ 64↓ 500.2%
21M
9:43/mi
3:09:46
↑ 106↓ 241.6%
35K· 21.75 mi
9:11/mi
3:16:38
↑ 17↓ 861.7%
23M
9:15/mi
3:28:13
↑ 23↓ 630.6%
24M
8:52/mi
3:37:05
↓ 821.3%
40K· 24.85 mi
8:57/mi
3:44:44
↓ 200.3%
25.2M
9:31/mi
3:48:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:56:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:03
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:00:35
Pace9:12 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1526:258:3026:25
8:30
-
10K
6.21 mi11:48:1654:268:4628:01
9:01
+0:31
15K
9.32 mi12:15:441:21:548:4727:28
8:50
-0:11
20K
12.43 mi12:43:481:49:588:5128:04
9:02
+0:12
Half
13.11 mi12:49:531:56:038:516:05
8:55
-0:07
25K
15.53 mi13:12:072:18:178:5422:14
9:10
+0:15
30K
18.64 mi13:41:082:47:188:5829:01
9:20
+0:10
20M
20.00 mi13:53:533:00:039:0012:45
9:23
+0:03
21M
21.00 mi14:03:363:09:469:029:43
9:43
+0:20
35K
21.75 mi14:10:283:16:389:026:52
9:11
-0:32
23M
23.00 mi14:22:033:28:139:0311:35
9:15
+0:04
24M
24.00 mi14:30:553:37:059:038:52
8:52
-0:23
40K
24.85 mi14:38:343:44:449:037:39
8:57
+0:05
25.2M
25.20 mi14:41:513:48:019:033:17
9:31
+0:34
Finish
26.22 mi14:50:283:56:389:028:37
8:27
-1:04

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

8:27 /mi

Average Pace

9:02 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:52

77% of race

Time at Steady Pace

54:46

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:01 /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 mi11:20:1526:258:3026:25
8:30
#19890
10K
6.21 mi11:48:1654:268:4628:01
9:01
#21217
15K
9.32 mi12:15:441:21:548:4727:28
8:50
#21185
20K
12.43 mi12:43:481:49:588:5128:04
9:02
#21163
Half
13.11 mi12:49:531:56:038:516:05
8:55
#21186
25K
15.53 mi13:12:072:18:178:5422:14
9:10
#21105
30K
18.64 mi13:41:082:47:188:5829:01
9:20
#20745
20M
20.00 mi13:53:533:00:039:0012:45
9:23
#20566
21M
21.00 mi14:03:363:09:469:029:43
9:43
#20369
35K
21.75 mi14:10:283:16:389:026:52
9:11
#20305
23M
23.00 mi14:22:033:28:139:0311:35
9:15
#20150
24M
24.00 mi14:30:553:37:059:038:52
8:52
#20022
40K
24.85 mi14:38:343:44:449:037:39
8:57
#19875
25.2M
25.20 mi14:41:513:48:019:033:17
9:31
#19809
Finish
26.22 mi14:50:283:56:389:028:37
8:27
#19673
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi19890123931239321223(Top 75%)13039(Top 81%)13039(Top 2041%)
10K6.21 mi3.10 mi21217-132712987-59412987-59422447(Top 79%)13548(Top 84%)13548(Top 2120%)
15K9.32 mi3.11 mi21185+3212986+112986+121223(Top 75%)13039(Top 81%)13039(Top 2041%)
20K12.43 mi3.11 mi21163+22129861298621140(Top 74%)12951(Top 80%)12951(Top 2027%)
Half13.11 mi0.68 mi21186-2312996-1012996-1021431(Top 75%)13087(Top 81%)13087(Top 2048%)
25K15.53 mi2.42 mi21105+8112947+4912947+4920638(Top 73%)12688(Top 79%)12688(Top 1986%)
30K18.64 mi3.11 mi20745+36012736+21112736+21119289(Top 68%)11961(Top 74%)11961(Top 1872%)
20M20.00 mi1.36 mi20566+17912646+9012646+9018668(Top 66%)11534(Top 72%)11534(Top 1805%)
21M21.00 mi1.00 mi20369+19712533+11312533+11317105(Top 60%)10750(Top 67%)10750(Top 1682%)
35K21.75 mi0.75 mi20305+6412487+4612487+4619078(Top 67%)11542(Top 72%)11542(Top 1806%)
23M23.00 mi1.25 mi20150+15512393+9412393+9417555(Top 62%)10754(Top 67%)10754(Top 1683%)
24M24.00 mi1.00 mi20022+12812315+7812315+7816664(Top 59%)10329(Top 64%)10329(Top 1616%)
40K24.85 mi0.85 mi19875+14712228+8712228+8716003(Top 56%)9929(Top 62%)9929(Top 1554%)
25.2M25.20 mi0.35 mi19809+6612193+3512193+3514686(Top 52%)9279(Top 58%)9279(Top 1452%)
Finish26.22 mi1.02 mi19673+13612113+8012113+8015934(Top 56%)9916(Top 62%)9916(Top 1552%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

21223

Males

13039

M65-69

13039

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22447

Males

13548

M65-69

13548

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

21223

Males

13039

M65-69

13039

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

21140

Males

12951

M65-69

12951

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21431

Males

13087

M65-69

13087

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20638

Males

12688

M65-69

12688

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19289

Males

11961

M65-69

11961

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18668

Males

11534

M65-69

11534

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

17105

Males

10750

M65-69

10750

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

19078

Males

11542

M65-69

11542

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

17555

Males

10754

M65-69

10754

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16664

Males

10329

M65-69

10329

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

16003

Males

9929

M65-69

9929

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14686

Males

9279

M65-69

9279

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

15934

Males

9916

M65-69

9916

Passing Analysis

Category:
Athletes Passed
2247
Passed By
2030
Net Change
+217
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19890
5K → 10K301357-1327#19890#21217
10K → 15K221189+32#21217#21185
15K → 20K212190+22#21185#21163
20K → Half2548-23#21163#21186
Half → 25K184103+81#21186#21105
25K → 30K40848+360#21105#20745
30K → 20M19920+179#20745#20566
20M → 21M20912+197#20566#20369
21M → 35K8420+64#20369#20305
35K → 23M17621+155#20305#20150
23M → 24M1357+128#20150#20022
24M → 40K1558+147#20022#19875
40K → 25.2M660+66#19875#19809
25.2M → Finish1437+136#19809#19673
TOTALS22472030+217
📊

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