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BOSTON MARATHON 2025

Benjamin Chansky

Bib: 3041•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Division (M18-39)
#0 / 5642
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:41
Rank: #2653
Start → 5K
19:41 | 6:20/mi
10K· 6.21 mi
39:39
Rank: #2906 (-253)
5K → 10K
19:58 | 6:26/mi
15K· 9.32 mi
59:46
Rank: #3084 (-178)
10K → 15K
20:07 | 6:28/mi
20K· 12.43 mi
1:19:51
Rank: #3009 (+75)
15K → 20K
20:05 | 6:28/mi
Half· 13.11 mi
1:24:09
Rank: #2977 (+32)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:39:53
Rank: #2928 (+49)
Half → 25K
15:44 | 6:29/mi
30K· 18.64 mi
2:00:00
Rank: #2646 (+282)
25K → 30K
20:07 | 6:28/mi
20M
2:08:53
Rank: #2533 (+113)
30K → 20M
8:53 | 6:32/mi
21M
2:15:33
Rank: #2412 (+121)
20M → 21M
6:40 | 6:40/mi
35K· 21.75 mi
2:20:17
Rank: #2344 (+68)
21M → 35K
4:44 | 6:20/mi
23M
2:28:31
Rank: #2294 (+50)
35K → 23M
8:14 | 6:35/mi
24M
2:34:52
Rank: #2226 (+68)
23M → 24M
6:21 | 6:21/mi
40K· 24.85 mi
2:40:24
Rank: #2169 (+57)
24M → 40K
5:32 | 6:28/mi
25.2M
2:42:47
Rank: #2131 (+38)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:48:44
Rank: #2022 (+109)
25.2M → Finish
5:57 | 5:50/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:24:09
Pace6:25 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:35
Pace6:27 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3119:416:2019:41
6:20
-
10K
6.21 mi10:41:2939:396:2319:58
6:26
+0:06
15K
9.32 mi11:01:3659:466:2520:07
6:28
+0:02
20K
12.43 mi11:21:411:19:516:2620:05
6:28
0:00
Half
13.11 mi11:25:591:24:096:254:18
6:18
-0:10
25K
15.53 mi11:41:431:39:536:2615:44
6:29
+0:11
30K
18.64 mi12:01:502:00:006:2620:07
6:28
-0:01
20M
20.00 mi12:10:432:08:536:278:53
6:32
+0:04
21M
21.00 mi12:17:232:15:336:276:40
6:40
+0:08
35K
21.75 mi12:22:072:20:176:274:44
6:20
-0:20
23M
23.00 mi12:30:212:28:316:278:14
6:35
+0:15
24M
24.00 mi12:36:422:34:526:276:21
6:21
-0:14
40K
24.85 mi12:42:142:40:246:275:32
6:28
+0:07
25.2M
25.20 mi12:44:372:42:476:282:23
6:55
+0:27
Finish
26.22 mi12:50:342:48:446:265:57
5:50
-1:05

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

5:50 /mi

Average Pace

6:26 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

41:01

24% of race

Time at Steady Pace

2:05:20

74% of race

Time at Slower Pace

2:23

1% of race

Average Pace: 6:26 /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 mi10:21:3119:416:2019:41
6:20
#2653
10K
6.21 mi10:41:2939:396:2319:58
6:26
#2906
15K
9.32 mi11:01:3659:466:2520:07
6:28
#3084
20K
12.43 mi11:21:411:19:516:2620:05
6:28
#3009
Half
13.11 mi11:25:591:24:096:254:18
6:18
#2977
25K
15.53 mi11:41:431:39:536:2615:44
6:29
#2928
30K
18.64 mi12:01:502:00:006:2620:07
6:28
#2646
20M
20.00 mi12:10:432:08:536:278:53
6:32
#2533
21M
21.00 mi12:17:232:15:336:276:40
6:40
#2412
35K
21.75 mi12:22:072:20:176:274:44
6:20
#2344
23M
23.00 mi12:30:212:28:316:278:14
6:35
#2294
24M
24.00 mi12:36:422:34:526:276:21
6:21
#2226
40K
24.85 mi12:42:142:40:246:275:32
6:28
#2169
25.2M
25.20 mi12:44:372:42:476:282:23
6:55
#2131
Finish
26.22 mi12:50:342:48:446:265:57
5:50
#2022
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2653252825283393(Top 12%)3217(Top 20%)3217(Top 57%)
10K6.21 mi3.10 mi2906-2532769-2412769-2413204(Top 11%)3045(Top 19%)3045(Top 54%)
15K9.32 mi3.11 mi3084-1782937-1682937-1683393(Top 12%)3217(Top 20%)3217(Top 57%)
20K12.43 mi3.11 mi3009+752868+692868+692887(Top 10%)2749(Top 17%)2749(Top 49%)
Half13.11 mi0.68 mi2977+322838+302838+302478(Top 9%)2367(Top 15%)2367(Top 42%)
25K15.53 mi2.42 mi2928+492791+472791+472812(Top 10%)2674(Top 17%)2674(Top 47%)
30K18.64 mi3.11 mi2646+2822525+2662525+2661868(Top 7%)1778(Top 11%)1778(Top 32%)
20M20.00 mi1.36 mi2533+1132417+1082417+1081759(Top 6%)1665(Top 10%)1665(Top 30%)
21M21.00 mi1.00 mi2412+1212299+1182299+1181113(Top 4%)1052(Top 7%)1052(Top 19%)
35K21.75 mi0.75 mi2344+682234+652234+651708(Top 6%)1602(Top 10%)1602(Top 28%)
23M23.00 mi1.25 mi2294+502186+482186+481724(Top 6%)1612(Top 10%)1612(Top 29%)
24M24.00 mi1.00 mi2226+682117+692117+691476(Top 5%)1380(Top 9%)1380(Top 24%)
40K24.85 mi0.85 mi2169+572061+562061+561508(Top 5%)1395(Top 9%)1395(Top 25%)
25.2M25.20 mi0.35 mi2131+382023+382023+381242(Top 4%)1144(Top 7%)1144(Top 20%)
Finish26.22 mi1.02 mi2022+1091917+1061917+106582(Top 2%)546(Top 3%)546(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3393

Males

3217

M18-39

3217

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3204

Males

3045

M18-39

3045

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3393

Males

3217

M18-39

3217

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2887

Males

2749

M18-39

2749

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2478

Males

2367

M18-39

2367

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2812

Males

2674

M18-39

2674

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1868

Males

1778

M18-39

1778

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1759

Males

1665

M18-39

1665

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1113

Males

1052

M18-39

1052

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1708

Males

1602

M18-39

1602

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1724

Males

1612

M18-39

1612

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1476

Males

1380

M18-39

1380

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1508

Males

1395

M18-39

1395

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1242

Males

1144

M18-39

1144

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

582

Males

546

M18-39

546

Passing Analysis

Category:
Athletes Passed
1294
Passed By
663
Net Change
+631
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2653
5K → 10K49302-253#2653#2906
10K → 15K35213-178#2906#3084
15K → 20K12348+75#3084#3009
20K → Half364+32#3009#2977
Half → 25K8940+49#2977#2928
25K → 30K2875+282#2928#2646
30K → 20M1196+113#2646#2533
20M → 21M1232+121#2533#2412
21M → 35K746+68#2412#2344
35K → 23M6616+50#2344#2294
23M → 24M7810+68#2294#2226
24M → 40K647+57#2226#2169
40K → 25.2M402+38#2169#2131
25.2M → Finish1112+109#2131#2022
TOTALS1294663+631
📊

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