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BOSTON MARATHON 2025

William Barth

CA

Bib: 24870 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M70-74)
#0 / 228
Top 37%
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
8:29/mi
26:22
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:32/mi
52:54
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:39/mi
1:19:47
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:56/mi
1:47:33
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:43/mi
1:53:30
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:00/mi
2:15:20
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:54/mi
2:49:11
↑ 181↓ 1480.2%
138 ft elev
20M
10:10/mi
3:03:00
↑ 64↓ 500.2%
148 ft elev
21M
12:39/mi
3:15:39
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:00/mi
3:23:53
↑ 17↓ 861.7%
156 ft elev
23M
10:37/mi
3:37:11
↑ 23↓ 630.6%
116 ft elev
24M
10:39/mi
3:47:50
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:34/mi
3:57:43
↓ 200.3%
20 ft elev
25.2M
12:31/mi
4:02:02
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:39/mi
4:13:54
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:30
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:20:24
Pace10:43 /mi
📊Positive Split: 23.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:1626:228:2926:22
8:29
-
10K
6.21 mi11:53:4852:548:3126:32
8:32
+0:03
15K
9.32 mi12:20:411:19:478:3426:53
8:39
+0:07
20K
12.43 mi12:48:271:47:338:3927:46
8:56
+0:17
Half
13.11 mi12:54:241:53:308:395:57
8:43
-0:13
25K
15.53 mi13:16:142:15:208:4321:50
9:00
+0:17
30K
18.64 mi13:50:052:49:119:0533:51
10:54
+1:54
20M
20.00 mi14:03:543:03:009:0913:49
10:10
-0:44
21M
21.00 mi14:16:333:15:399:1912:39
12:39
+2:29
35K
21.75 mi14:24:473:23:539:228:14
11:00
-1:39
23M
23.00 mi14:38:053:37:119:2713:18
10:37
-0:23
24M
24.00 mi14:48:443:47:509:3010:39
10:39
+0:02
40K
24.85 mi14:58:373:57:439:349:53
11:34
+0:55
25.2M
25.20 mi15:02:564:02:029:364:19
12:31
+0:57
Finish
26.22 mi15:14:484:13:549:4111:52
11:39
-0:52

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

8:29 /mi

Average Pace

9:41 /mi

Slowest Pace

12:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:20

53% of race

Time at Steady Pace

1:19:51

31% of race

Time at Slower Pace

38:43

15% of race

Average Pace: 9:41 /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 mi11:27:1626:228:2926:22
8:29
#19811
10K
6.21 mi11:53:4852:548:3126:32
8:32
#19920
15K
9.32 mi12:20:411:19:478:3426:53
8:39
#20024
20K
12.43 mi12:48:271:47:338:3927:46
8:56
#20153
Half
13.11 mi12:54:241:53:308:395:57
8:43
#20165
25K
15.53 mi13:16:142:15:208:4321:50
9:00
#20132
30K
18.64 mi13:50:052:49:119:0533:51
10:54
#21219
20M
20.00 mi14:03:543:03:009:0913:49
10:10
#21242
21M
21.00 mi14:16:333:15:399:1912:39
12:39
#21595
35K
21.75 mi14:24:473:23:539:228:14
11:00
#21744
23M
23.00 mi14:38:053:37:119:2713:18
10:37
#21769
24M
24.00 mi14:48:443:47:509:3010:39
10:39
#21824
40K
24.85 mi14:58:373:57:439:349:53
11:34
#21946
25.2M
25.20 mi15:02:564:02:029:364:19
12:31
#21989
Finish
26.22 mi15:14:484:13:549:4111:52
11:39
#22220
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi19811123571235720228(Top 71%)12614(Top 78%)12614(Top 5532%)
10K6.21 mi3.10 mi19920-10912440-8312440-8320033(Top 71%)12496(Top 78%)12496(Top 5481%)
15K9.32 mi3.11 mi20024-10412489-4912489-4920228(Top 71%)12614(Top 78%)12614(Top 5532%)
20K12.43 mi3.11 mi20153-12912538-4912538-4920648(Top 73%)12731(Top 79%)12731(Top 5584%)
Half13.11 mi0.68 mi20165-1212540-212540-220471(Top 72%)12687(Top 79%)12687(Top 5564%)
25K15.53 mi2.42 mi20132+3312512+2812512+2819921(Top 70%)12380(Top 77%)12380(Top 5430%)
30K18.64 mi3.11 mi21219-108712962-45012962-45023808(Top 84%)13981(Top 87%)13981(Top 6132%)
20M20.00 mi1.36 mi21242-2312940+2212940+2221472(Top 76%)12805(Top 80%)12805(Top 5616%)
21M21.00 mi1.00 mi21595-35313096-15613096-15624591(Top 87%)14179(Top 88%)14179(Top 6219%)
35K21.75 mi0.75 mi21744-14913152-5613152-5624193(Top 85%)13961(Top 87%)13961(Top 6123%)
23M23.00 mi1.25 mi21769-2513127+2513127+2522329(Top 79%)13033(Top 81%)13033(Top 5716%)
24M24.00 mi1.00 mi21824-5513126+113126+123190(Top 82%)13400(Top 83%)13400(Top 5877%)
40K24.85 mi0.85 mi21946-12213162-3613162-3624228(Top 85%)13883(Top 86%)13883(Top 6089%)
25.2M25.20 mi0.35 mi21989-4313175-1313175-1324201(Top 85%)13864(Top 86%)13864(Top 6081%)
Finish26.22 mi1.02 mi22220-23113256-8113256-8126347(Top 93%)14958(Top 93%)14958(Top 6561%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

20228

Males

12614

M70-74

12614

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20033

Males

12496

M70-74

12496

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

20228

Males

12614

M70-74

12614

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20648

Males

12731

M70-74

12731

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

20471

Males

12687

M70-74

12687

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19921

Males

12380

M70-74

12380

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23808

Males

13981

M70-74

13981

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21472

Males

12805

M70-74

12805

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

24591

Males

14179

M70-74

14179

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24193

Males

13961

M70-74

13961

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

22329

Males

13033

M70-74

13033

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

23190

Males

13400

M70-74

13400

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24228

Males

13883

M70-74

13883

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24201

Males

13864

M70-74

13864

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26347

Males

14958

M70-74

14958

Passing Analysis

Category:
Athletes Passed
1028
Passed By
3437
Net Change
-2409
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19811
5K → 10K215324-109#19811#19920
10K → 15K149253-104#19920#20024
15K → 20K143272-129#20024#20153
20K → Half3446-12#20153#20165
Half → 25K174141+33#20165#20132
25K → 30K411128-1087#20132#21219
30K → 20M94117-23#21219#21242
20M → 21M18371-353#21242#21595
21M → 35K12161-149#21595#21744
35K → 23M6691-25#21744#21769
23M → 24M3994-55#21769#21824
24M → 40K15137-122#21824#21946
40K → 25.2M1558-43#21946#21989
25.2M → Finish13244-231#21989#22220
TOTALS10283437-2409
📊

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