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BOSTON MARATHON 2025

Daley Bornsztejn

Bib: 30401•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:17
Rank: #14933
Start → 5K
24:17 | 7:49/mi
10K· 6.21 mi
47:03
Rank: #12754 (+2179)
5K → 10K
22:46 | 7:20/mi
15K· 9.32 mi
1:10:04
Rank: #12134 (+620)
10K → 15K
23:01 | 7:25/mi
20K· 12.43 mi
1:32:32
Rank: #11178 (+956)
15K → 20K
22:28 | 7:14/mi
Half· 13.11 mi
1:37:16
Rank: #10921 (+257)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
1:54:42
Rank: #10297 (+624)
Half → 25K
17:26 | 7:11/mi
30K· 18.64 mi
2:18:06
Rank: #9770 (+527)
25K → 30K
23:24 | 7:32/mi
20M
2:28:14
Rank: #9482 (+288)
30K → 20M
10:08 | 7:27/mi
21M
2:36:20
Rank: #9356 (+126)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:41:52
Rank: #9270 (+86)
21M → 35K
5:32 | 7:24/mi
23M
2:51:49
Rank: #9236 (+34)
35K → 23M
9:57 | 7:57/mi
24M
2:59:50
Rank: #9323 (-87)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:06:58
Rank: #9438 (-115)
24M → 40K
7:08 | 8:21/mi
25.2M
3:10:03
Rank: #9461 (-23)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:18:02
Rank: #9528 (-67)
25.2M → Finish
7:59 | 7:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:16
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:40:46
Pace7:41 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3524:177:4924:17
7:49
-
10K
6.21 mi12:12:2147:037:3422:46
7:20
-0:29
15K
9.32 mi12:35:221:10:047:3123:01
7:25
+0:05
20K
12.43 mi12:57:501:32:327:2722:28
7:14
-0:11
Half
13.11 mi13:02:341:37:167:254:44
6:56
-0:18
25K
15.53 mi13:20:001:54:427:2317:26
7:11
+0:15
30K
18.64 mi13:43:242:18:067:2523:24
7:32
+0:21
20M
20.00 mi13:53:322:28:147:2510:08
7:27
-0:05
21M
21.00 mi14:01:382:36:207:278:06
8:06
+0:39
35K
21.75 mi14:07:102:41:527:275:32
7:24
-0:42
23M
23.00 mi14:17:072:51:497:289:57
7:57
+0:33
24M
24.00 mi14:25:082:59:507:308:01
8:01
+0:04
40K
24.85 mi14:32:163:06:587:317:08
8:21
+0:20
25.2M
25.20 mi14:35:213:10:037:333:05
8:56
+0:35
Finish
26.22 mi14:43:203:18:027:347:59
7:50
-1:06

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

6:56 /mi

Average Pace

7:34 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:38

23% of race

Time at Steady Pace

1:24:51

43% of race

Time at Slower Pace

1:08:33

35% of race

Average Pace: 7:33 /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 mi11:49:3524:177:4924:17
7:49
#14933
10K
6.21 mi12:12:2147:037:3422:46
7:20
#12754
15K
9.32 mi12:35:221:10:047:3123:01
7:25
#12134
20K
12.43 mi12:57:501:32:327:2722:28
7:14
#11178
Half
13.11 mi13:02:341:37:167:254:44
6:56
#10921
25K
15.53 mi13:20:001:54:427:2317:26
7:11
#10297
30K
18.64 mi13:43:242:18:067:2523:24
7:32
#9770
20M
20.00 mi13:53:322:28:147:2510:08
7:27
#9482
21M
21.00 mi14:01:382:36:207:278:06
8:06
#9356
35K
21.75 mi14:07:102:41:527:275:32
7:24
#9270
23M
23.00 mi14:17:072:51:497:289:57
7:57
#9236
24M
24.00 mi14:25:082:59:507:308:01
8:01
#9323
40K
24.85 mi14:32:163:06:587:317:08
8:21
#9438
25.2M
25.20 mi14:35:213:10:037:333:05
8:56
#9461
Finish
26.22 mi14:43:203:18:027:347:59
7:50
#9528
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi14933103971039710945(Top 39%)8564(Top 53%)8564(Top 152%)
10K6.21 mi3.10 mi12754+21799511+8869511+88610558(Top 37%)8439(Top 52%)8439(Top 150%)
15K9.32 mi3.11 mi12134+6209186+3259186+32510945(Top 39%)8564(Top 53%)8564(Top 152%)
20K12.43 mi3.11 mi11178+9568708+4788708+4788462(Top 30%)7138(Top 44%)7138(Top 127%)
Half13.11 mi0.68 mi10921+2578588+1208588+1207172(Top 25%)6349(Top 39%)6349(Top 113%)
25K15.53 mi2.42 mi10297+6248225+3638225+3637539(Top 27%)6469(Top 40%)6469(Top 115%)
30K18.64 mi3.11 mi9770+5277884+3417884+3417969(Top 28%)6569(Top 41%)6569(Top 116%)
20M20.00 mi1.36 mi9482+2887692+1927692+1926743(Top 24%)5684(Top 35%)5684(Top 101%)
21M21.00 mi1.00 mi9356+1267596+967596+967946(Top 28%)6228(Top 39%)6228(Top 110%)
35K21.75 mi0.75 mi9270+867525+717525+717889(Top 28%)6243(Top 39%)6243(Top 111%)
23M23.00 mi1.25 mi9236+347467+587467+589612(Top 34%)7034(Top 44%)7034(Top 125%)
24M24.00 mi1.00 mi9323-877489-227489-2211313(Top 40%)7804(Top 48%)7804(Top 138%)
40K24.85 mi0.85 mi9438-1157511-227511-2212375(Top 44%)8215(Top 51%)8215(Top 146%)
25.2M25.20 mi0.35 mi9461-237504+77504+711391(Top 40%)7651(Top 48%)7651(Top 136%)
Finish26.22 mi1.02 mi9528-677496+87496+811652(Top 41%)7841(Top 49%)7841(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10945

Males

8564

M18-39

8564

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10558

Males

8439

M18-39

8439

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10945

Males

8564

M18-39

8564

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8462

Males

7138

M18-39

7138

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7172

Males

6349

M18-39

6349

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7539

Males

6469

M18-39

6469

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7969

Males

6569

M18-39

6569

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6743

Males

5684

M18-39

5684

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7946

Males

6228

M18-39

6228

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7889

Males

6243

M18-39

6243

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9612

Males

7034

M18-39

7034

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

11313

Males

7804

M18-39

7804

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12375

Males

8215

M18-39

8215

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11391

Males

7651

M18-39

7651

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11652

Males

7841

M18-39

7841

Passing Analysis

Category:
Athletes Passed
6084*
Passed By
679
Net Change
+5405
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14933
5K → 10K21834+2179#14933#12754
10K → 15K64222+620#12754#12134
15K → 20K9560+956#12134#11178
20K → Half2570+257#11178#10921
Half → 25K6251+624#10921#10297
25K → 30K549*22+527#10297#9770
30K → 20M2924+288#9770#9482
20M → 21M15428+126#9482#9356
21M → 35K10923+86#9356#9270
35K → 23M12490+34#9270#9236
23M → 24M61148-87#9236#9323
24M → 40K42157-115#9323#9438
40K → 25.2M3356-23#9438#9461
25.2M → Finish57124-67#9461#9528
TOTALS6084*679+5405

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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