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BOSTON MARATHON 2025

Charles Singer

Bib: 26093•M

FL

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
7:17/mi
22:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
45:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:08:54
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:33:39
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:39:12
↑ 19↓ 370.5%
25K· 15.53 mi
9:03/mi
2:01:09
↑ 66↓ 880.2%
30K· 18.64 mi
9:32/mi
2:30:47
↑ 181↓ 1480.2%
20M
9:25/mi
2:43:35
↑ 64↓ 500.2%
21M
10:36/mi
2:54:11
↑ 106↓ 241.6%
35K· 21.75 mi
8:24/mi
3:00:28
↑ 17↓ 861.7%
23M
9:11/mi
3:11:58
↑ 23↓ 630.6%
24M
8:50/mi
3:20:48
↓ 821.3%
40K· 24.85 mi
10:02/mi
3:29:23
↓ 200.3%
25.2M
10:50/mi
3:33:07
↑ 13↓ 160.2%
Finish· 26.22 mi
9:16/mi
3:42:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:12
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time2:03:22
Pace9:25 /mi
📊Positive Split: 24.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:37:4322:397:1722:39
7:17
-
10K
6.21 mi12:00:4445:407:2123:01
7:25
+0:08
15K
9.32 mi12:23:581:08:547:2423:14
7:29
+0:04
20K
12.43 mi12:48:431:33:397:3224:45
7:58
+0:29
Half
13.11 mi12:54:161:39:127:345:33
8:08
+0:10
25K
15.53 mi13:16:132:01:097:4821:57
9:03
+0:55
30K
18.64 mi13:45:512:30:478:0529:38
9:32
+0:29
20M
20.00 mi13:58:392:43:358:1112:48
9:25
-0:07
21M
21.00 mi14:09:152:54:118:1810:36
10:36
+1:11
35K
21.75 mi14:15:323:00:288:186:17
8:24
-2:12
23M
23.00 mi14:27:023:11:588:2111:30
9:11
+0:47
24M
24.00 mi14:35:523:20:488:228:50
8:50
-0:21
40K
24.85 mi14:44:273:29:238:258:35
10:02
+1:12
25.2M
25.20 mi14:48:113:33:078:273:44
10:50
+0:48
Finish
26.22 mi14:57:383:42:348:309:27
9:16
-1:34

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

7:17 /mi

Average Pace

8:30 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:29

47% of race

Time at Steady Pace

1:34:10

42% of race

Time at Slower Pace

22:55

10% of race

Average Pace: 8:29 /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 mi11:37:4322:397:1722:39
7:17
#10271
10K
6.21 mi12:00:4445:407:2123:01
7:25
#10765
15K
9.32 mi12:23:581:08:547:2423:14
7:29
#10990
20K
12.43 mi12:48:431:33:397:3224:45
7:58
#11957
Half
13.11 mi12:54:161:39:127:345:33
8:08
#12222
25K
15.53 mi13:16:132:01:097:4821:57
9:03
#13883
30K
18.64 mi13:45:512:30:478:0529:38
9:32
#15426
20M
20.00 mi13:58:392:43:358:1112:48
9:25
#15693
21M
21.00 mi14:09:152:54:118:1810:36
10:36
#16046
35K
21.75 mi14:15:323:00:288:186:17
8:24
#15968
23M
23.00 mi14:27:023:11:588:2111:30
9:11
#15993
24M
24.00 mi14:35:523:20:488:228:50
8:50
#16016
40K
24.85 mi14:44:273:29:238:258:35
10:02
#16236
25.2M
25.20 mi14:48:113:33:078:273:44
10:50
#16320
Finish
26.22 mi14:57:383:42:348:309:27
9:16
#16506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi102718318831811577(Top 41%)8872(Top 55%)8872(Top 157%)
10K6.21 mi3.10 mi10765-4948552-2348552-23411258(Top 40%)8786(Top 55%)8786(Top 156%)
15K9.32 mi3.11 mi10990-2258649-978649-9711577(Top 41%)8872(Top 55%)8872(Top 157%)
20K12.43 mi3.11 mi11957-9679076-4279076-42714650(Top 52%)10158(Top 63%)10158(Top 180%)
Half13.11 mi0.68 mi12222-2659186-1109186-11016812(Top 59%)11107(Top 69%)11107(Top 197%)
25K15.53 mi2.42 mi13883-16619863-6779863-67720129(Top 71%)12466(Top 77%)12466(Top 221%)
30K18.64 mi3.11 mi15426-154310477-61410477-61420079(Top 71%)12327(Top 77%)12327(Top 218%)
20M20.00 mi1.36 mi15693-26710554-7710554-7718808(Top 66%)11590(Top 72%)11590(Top 205%)
21M21.00 mi1.00 mi16046-35310676-12210676-12220299(Top 71%)12166(Top 76%)12166(Top 216%)
35K21.75 mi0.75 mi15968+7810621+5510621+5514839(Top 52%)9656(Top 60%)9656(Top 171%)
23M23.00 mi1.25 mi15993-2510590+3110590+3117239(Top 61%)10618(Top 66%)10618(Top 188%)
24M24.00 mi1.00 mi16016-2310582+810582+816479(Top 58%)10243(Top 64%)10243(Top 182%)
40K24.85 mi0.85 mi16236-22010660-7810660-7820550(Top 72%)12061(Top 75%)12061(Top 214%)
25.2M25.20 mi0.35 mi16320-8410683-2310683-2320064(Top 71%)11806(Top 73%)11806(Top 209%)
Finish26.22 mi1.02 mi16506-18610733-5010733-5020248(Top 71%)11922(Top 74%)11922(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11577

Males

8872

M18-39

8872

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

11258

Males

8786

M18-39

8786

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11577

Males

8872

M18-39

8872

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

14650

Males

10158

M18-39

10158

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16812

Males

11107

M18-39

11107

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

20129

Males

12466

M18-39

12466

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20079

Males

12327

M18-39

12327

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18808

Males

11590

M18-39

11590

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

20299

Males

12166

M18-39

12166

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

14839

Males

9656

M18-39

9656

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17239

Males

10618

M18-39

10618

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

16479

Males

10243

M18-39

10243

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20550

Males

12061

M18-39

12061

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20064

Males

11806

M18-39

11806

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20248

Males

11922

M18-39

11922

Passing Analysis

Category:
Athletes Passed
734
Passed By
6969
Net Change
-6235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10271
5K → 10K103597-494#10271#10765
10K → 15K103328-225#10765#10990
15K → 20K32999-967#10990#11957
20K → Half3268-265#11957#12222
Half → 25K231684-1661#12222#13883
25K → 30K391582-1543#13883#15426
30K → 20M69336-267#15426#15693
20M → 21M34387-353#15693#16046
21M → 35K10729+78#16046#15968
35K → 23M101126-25#15968#15993
23M → 24M5578-23#15993#16016
24M → 40K25245-220#16016#16236
40K → 25.2M892-84#16236#16320
25.2M → Finish32218-186#16320#16506
TOTALS7346969-6235
📊

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