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BOSTON MARATHON 2025

Joseph Chase

Bib: 2248•M

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Division (M18-39)
#0 / 5642
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:26
Rank: #2152
Start → 5K
19:26 | 6:15/mi
10K· 6.21 mi
38:44
Rank: #2041 (+111)
5K → 10K
19:18 | 6:13/mi
15K· 9.32 mi
58:20
Rank: #2141 (-100)
10K → 15K
19:36 | 6:19/mi
20K· 12.43 mi
1:17:22
Rank: #1873 (+268)
15K → 20K
19:02 | 6:08/mi
Half· 13.11 mi
1:21:31
Rank: #1848 (+25)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:36:22
Rank: #1687 (+161)
Half → 25K
14:51 | 6:07/mi
30K· 18.64 mi
1:55:18
Rank: #1422 (+265)
25K → 30K
18:56 | 6:06/mi
20M
2:03:31
Rank: #1299 (+123)
30K → 20M
8:13 | 6:03/mi
21M
2:09:42
Rank: #1198 (+101)
20M → 21M
6:11 | 6:11/mi
35K· 21.75 mi
2:14:09
Rank: #1156 (+42)
21M → 35K
4:27 | 5:57/mi
23M
2:21:40
Rank: #1036 (+120)
35K → 23M
7:31 | 6:00/mi
24M
2:27:33
Rank: #984 (+52)
23M → 24M
5:53 | 5:53/mi
40K· 24.85 mi
2:32:33
Rank: #931 (+53)
24M → 40K
5:00 | 5:51/mi
25.2M
2:34:45
Rank: #907 (+24)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
2:40:10
Rank: #822 (+85)
25.2M → Finish
5:25 | 5:19/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:21:31
Pace6:13 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:18:39
Pace6:00 /mi
📊Negative Split: 3.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1519:266:1519:26
6:15
-
10K
6.21 mi10:39:3338:446:1419:18
6:13
-0:02
15K
9.32 mi10:59:0958:206:1619:36
6:19
+0:06
20K
12.43 mi11:18:111:17:226:1419:02
6:08
-0:11
Half
13.11 mi11:22:201:21:316:134:09
6:05
-0:03
25K
15.53 mi11:37:111:36:226:1214:51
6:07
+0:02
30K
18.64 mi11:56:071:55:186:1118:56
6:06
-0:01
20M
20.00 mi12:04:202:03:316:118:13
6:03
-0:03
21M
21.00 mi12:10:312:09:426:116:11
6:11
+0:08
35K
21.75 mi12:14:582:14:096:104:27
5:57
-0:14
23M
23.00 mi12:22:292:21:406:107:31
6:00
+0:03
24M
24.00 mi12:28:222:27:336:095:53
5:53
-0:07
40K
24.85 mi12:33:222:32:336:085:00
5:51
-0:02
25.2M
25.20 mi12:35:342:34:456:082:12
6:23
+0:32
Finish
26.22 mi12:40:592:40:106:075:25
5:19
-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

5:19 /mi

Average Pace

6:07 /mi

Slowest Pace

6:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:45

13% of race

Time at Steady Pace

1:38:11

61% of race

Time at Slower Pace

41:14

26% of race

Average Pace: 6:07 /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 mi10:20:1519:266:1519:26
6:15
#2152
10K
6.21 mi10:39:3338:446:1419:18
6:13
#2041
15K
9.32 mi10:59:0958:206:1619:36
6:19
#2141
20K
12.43 mi11:18:111:17:226:1419:02
6:08
#1873
Half
13.11 mi11:22:201:21:316:134:09
6:05
#1848
25K
15.53 mi11:37:111:36:226:1214:51
6:07
#1687
30K
18.64 mi11:56:071:55:186:1118:56
6:06
#1422
20M
20.00 mi12:04:202:03:316:118:13
6:03
#1299
21M
21.00 mi12:10:312:09:426:116:11
6:11
#1198
35K
21.75 mi12:14:582:14:096:104:27
5:57
#1156
23M
23.00 mi12:22:292:21:406:107:31
6:00
#1036
24M
24.00 mi12:28:222:27:336:095:53
5:53
#984
40K
24.85 mi12:33:222:32:336:085:00
5:51
#931
25.2M
25.20 mi12:35:342:34:456:082:12
6:23
#907
Finish
26.22 mi12:40:592:40:106:075:25
5:19
#822
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2152205320532364(Top 8%)2254(Top 14%)2254(Top 40%)
10K6.21 mi3.10 mi2041+1111946+1071946+1071962(Top 7%)1866(Top 12%)1866(Top 33%)
15K9.32 mi3.11 mi2141-1002044-982044-982364(Top 8%)2254(Top 14%)2254(Top 40%)
20K12.43 mi3.11 mi1873+2681784+2601784+2601260(Top 4%)1194(Top 7%)1194(Top 21%)
Half13.11 mi0.68 mi1848+251759+251759+251430(Top 5%)1358(Top 8%)1358(Top 24%)
25K15.53 mi2.42 mi1687+1611602+1571602+1571164(Top 4%)1098(Top 7%)1098(Top 19%)
30K18.64 mi3.11 mi1422+2651346+2561346+256668(Top 2%)626(Top 4%)626(Top 11%)
20M20.00 mi1.36 mi1299+1231226+1201226+120457(Top 2%)428(Top 3%)428(Top 8%)
21M21.00 mi1.00 mi1198+1011129+971129+97259(Top 0.9%)242(Top 2%)242(Top 4%)
35K21.75 mi0.75 mi1156+421089+401089+40620(Top 2%)579(Top 4%)579(Top 10%)
23M23.00 mi1.25 mi1036+120975+114975+114352(Top 1%)330(Top 2%)330(Top 6%)
24M24.00 mi1.00 mi984+52926+49926+49385(Top 1%)358(Top 2%)358(Top 6%)
40K24.85 mi0.85 mi931+53874+52874+52237(Top 0.8%)217(Top 1%)217(Top 4%)
25.2M25.20 mi0.35 mi907+24850+24850+24318(Top 1%)296(Top 2%)296(Top 5%)
Finish26.22 mi1.02 mi822+85768+82768+8258(Top 0.2%)54(Top 0.3%)54(Top 1.0%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2364

Males

2254

M18-39

2254

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1962

Males

1866

M18-39

1866

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2364

Males

2254

M18-39

2254

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1260

Males

1194

M18-39

1194

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1430

Males

1358

M18-39

1358

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1164

Males

1098

M18-39

1098

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

668

Males

626

M18-39

626

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

457

Males

428

M18-39

428

20M→21M

20.0 - 21.0 mi

Top 0.9%
×8stories
+106ft-24ft

Overall

259

Males

242

M18-39

242

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

620

Males

579

M18-39

579

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

352

Males

330

M18-39

330

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

385

Males

358

M18-39

358

24M→40K

24.0 - 24.9 mi

Top 0.8%
×1story
+6ft-20ft

Overall

237

Males

217

M18-39

217

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

318

Males

296

M18-39

296

25.2M→Finish

25.2 - 26.2 mi

Top 0.2%
×2stories
+22ft-21ft

Overall

58

Males

54

M18-39

54

Passing Analysis

Category:
Athletes Passed
1550
Passed By
220
Net Change
+1330
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2152
5K → 10K18170+111#2152#2041
10K → 15K41141-100#2041#2141
15K → 20K2680+268#2141#1873
20K → Half272+25#1873#1848
Half → 25K1632+161#1848#1687
25K → 30K2672+265#1687#1422
30K → 20M1230+123#1422#1299
20M → 21M1010+101#1299#1198
21M → 35K431+42#1198#1156
35K → 23M1211+120#1156#1036
23M → 24M531+52#1036#984
24M → 40K530+53#984#931
40K → 25.2M240+24#931#907
25.2M → Finish850+85#907#822
TOTALS1550220+1330
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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