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BOSTON MARATHON 2025

Cyril Chupin

Bib: 3417•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 16%
Division (M18-39)
#0 / 5642
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:27
Rank: #2210
Start → 5K
19:27 | 6:16/mi
10K· 6.21 mi
39:05
Rank: #2345 (-135)
5K → 10K
19:38 | 6:19/mi
15K· 9.32 mi
58:52
Rank: #2484 (-139)
10K → 15K
19:47 | 6:22/mi
20K· 12.43 mi
1:18:51
Rank: #2523 (-39)
15K → 20K
19:59 | 6:26/mi
Half· 13.11 mi
1:23:13
Rank: #2546 (-23)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:38:51
Rank: #2542 (+4)
Half → 25K
15:38 | 6:27/mi
30K· 18.64 mi
1:59:32
Rank: #2516 (+26)
25K → 30K
20:41 | 6:39/mi
20M
2:08:36
Rank: #2467 (+49)
30K → 20M
9:04 | 6:40/mi
21M
2:15:44
Rank: #2458 (+9)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:20:46
Rank: #2479 (-21)
21M → 35K
5:02 | 6:44/mi
23M
2:29:28
Rank: #2509 (-30)
35K → 23M
8:42 | 6:57/mi
24M
2:36:27
Rank: #2570 (-61)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
2:42:27
Rank: #2582 (-12)
24M → 40K
6:00 | 7:01/mi
25.2M
2:45:08
Rank: #2600 (-18)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:52:05
Rank: #2650 (-50)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:13
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:28:52
Pace6:47 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1619:276:1619:27
6:16
-
10K
6.21 mi10:41:5439:056:1719:38
6:19
+0:03
15K
9.32 mi11:01:4158:526:1919:47
6:22
+0:03
20K
12.43 mi11:21:401:18:516:2119:59
6:26
+0:04
Half
13.11 mi11:26:021:23:136:214:22
6:24
-0:02
25K
15.53 mi11:41:401:38:516:2215:38
6:27
+0:03
30K
18.64 mi12:02:211:59:326:2520:41
6:39
+0:12
20M
20.00 mi12:11:252:08:366:269:04
6:40
+0:01
21M
21.00 mi12:18:332:15:446:287:08
7:08
+0:28
35K
21.75 mi12:23:352:20:466:285:02
6:44
-0:24
23M
23.00 mi12:32:172:29:286:308:42
6:57
+0:13
24M
24.00 mi12:39:162:36:276:316:59
6:59
+0:02
40K
24.85 mi12:45:162:42:276:326:00
7:01
+0:02
25.2M
25.20 mi12:47:572:45:086:332:41
7:47
+0:46
Finish
26.22 mi12:54:542:52:056:346:57
6:49
-0:58

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

6:16 /mi

Average Pace

6:34 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:51

57% of race

Time at Steady Pace

41:44

24% of race

Time at Slower Pace

31:30

18% of race

Average Pace: 6:34 /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 mi10:22:1619:276:1619:27
6:16
#2210
10K
6.21 mi10:41:5439:056:1719:38
6:19
#2345
15K
9.32 mi11:01:4158:526:1919:47
6:22
#2484
20K
12.43 mi11:21:401:18:516:2119:59
6:26
#2523
Half
13.11 mi11:26:021:23:136:214:22
6:24
#2546
25K
15.53 mi11:41:401:38:516:2215:38
6:27
#2542
30K
18.64 mi12:02:211:59:326:2520:41
6:39
#2516
20M
20.00 mi12:11:252:08:366:269:04
6:40
#2467
21M
21.00 mi12:18:332:15:446:287:08
7:08
#2458
35K
21.75 mi12:23:352:20:466:285:02
6:44
#2479
23M
23.00 mi12:32:172:29:286:308:42
6:57
#2509
24M
24.00 mi12:39:162:36:276:316:59
6:59
#2570
40K
24.85 mi12:45:162:42:276:326:00
7:01
#2582
25.2M
25.20 mi12:47:572:45:086:332:41
7:47
#2600
Finish
26.22 mi12:54:542:52:056:346:57
6:49
#2650
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2210211121112744(Top 10%)2614(Top 16%)2614(Top 46%)
10K6.21 mi3.10 mi2345-1352236-1252236-1252543(Top 9%)2429(Top 15%)2429(Top 43%)
15K9.32 mi3.11 mi2484-1392370-1342370-1342744(Top 10%)2614(Top 16%)2614(Top 46%)
20K12.43 mi3.11 mi2523-392407-372407-372717(Top 10%)2587(Top 16%)2587(Top 46%)
Half13.11 mi0.68 mi2546-232432-252432-253085(Top 11%)2946(Top 18%)2946(Top 52%)
25K15.53 mi2.42 mi2542+42426+62426+62618(Top 9%)2492(Top 15%)2492(Top 44%)
30K18.64 mi3.11 mi2516+262402+242402+242673(Top 9%)2530(Top 16%)2530(Top 45%)
20M20.00 mi1.36 mi2467+492353+492353+492351(Top 8%)2221(Top 14%)2221(Top 39%)
21M21.00 mi1.00 mi2458+92345+82345+82838(Top 10%)2632(Top 16%)2632(Top 47%)
35K21.75 mi0.75 mi2479-212362-172362-173689(Top 13%)3336(Top 21%)3336(Top 59%)
23M23.00 mi1.25 mi2509-302388-262388-263469(Top 12%)3152(Top 20%)3152(Top 56%)
24M24.00 mi1.00 mi2570-612437-492437-494545(Top 16%)3938(Top 24%)3938(Top 70%)
40K24.85 mi0.85 mi2582-122450-132450-134018(Top 14%)3506(Top 22%)3506(Top 62%)
25.2M25.20 mi0.35 mi2600-182464-142464-144760(Top 17%)3958(Top 25%)3958(Top 70%)
Finish26.22 mi1.02 mi2650-502508-442508-444621(Top 16%)3871(Top 24%)3871(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2744

Males

2614

M18-39

2614

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2543

Males

2429

M18-39

2429

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2744

Males

2614

M18-39

2614

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2717

Males

2587

M18-39

2587

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3085

Males

2946

M18-39

2946

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2618

Males

2492

M18-39

2492

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2673

Males

2530

M18-39

2530

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2351

Males

2221

M18-39

2221

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2838

Males

2632

M18-39

2632

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3689

Males

3336

M18-39

3336

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3469

Males

3152

M18-39

3152

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4545

Males

3938

M18-39

3938

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

4018

Males

3506

M18-39

3506

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4760

Males

3958

M18-39

3958

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4621

Males

3871

M18-39

3871

Passing Analysis

Category:
Athletes Passed
596
Passed By
1036
Net Change
-440
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2210
5K → 10K56191-135#2210#2345
10K → 15K44183-139#2345#2484
15K → 20K5695-39#2484#2523
20K → Half1033-23#2523#2546
Half → 25K6157+4#2546#2542
25K → 30K10276+26#2542#2516
30K → 20M6314+49#2516#2467
20M → 21M4738+9#2467#2458
21M → 35K3051-21#2458#2479
35K → 23M4272-30#2479#2509
23M → 24M2990-61#2509#2570
24M → 40K2941-12#2570#2582
40K → 25.2M927-18#2582#2600
25.2M → Finish1868-50#2600#2650
TOTALS5961036-440
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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