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BOSTON MARATHON 2025

Daniel Saunders

Bib: 3402•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 25%
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
20:57
Rank: #5831
Start → 5K
20:57 | 6:45/mi
10K· 6.21 mi
41:37
Rank: #5338 (+493)
5K → 10K
20:40 | 6:39/mi
15K· 9.32 mi
1:02:23
Rank: #5193 (+145)
10K → 15K
20:46 | 6:41/mi
20K· 12.43 mi
1:23:34
Rank: #5216 (-23)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:28:00
Rank: #5109 (+107)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:44:08
Rank: #4830 (+279)
Half → 25K
16:08 | 6:39/mi
30K· 18.64 mi
2:05:38
Rank: #4648 (+182)
25K → 30K
21:30 | 6:55/mi
20M
2:15:15
Rank: #4624 (+24)
30K → 20M
9:37 | 7:05/mi
21M
2:22:40
Rank: #4562 (+62)
20M → 21M
7:25 | 7:25/mi
35K· 21.75 mi
2:27:49
Rank: #4537 (+25)
21M → 35K
5:09 | 6:53/mi
23M
2:36:43
Rank: #4489 (+48)
35K → 23M
8:54 | 7:06/mi
24M
2:43:50
Rank: #4523 (-34)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
2:49:57
Rank: #4525 (-2)
24M → 40K
6:07 | 7:09/mi
25.2M
2:52:38
Rank: #4536 (-11)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:59:19
Rank: #4461 (+75)
25.2M → Finish
6:41 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:00
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:31:19
Pace6:58 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1620:576:4520:57
6:45
-
10K
6.21 mi10:43:5641:376:4220:40
6:39
-0:06
15K
9.32 mi11:04:421:02:236:4220:46
6:41
+0:02
20K
12.43 mi11:25:531:23:346:4321:11
6:49
+0:08
Half
13.11 mi11:30:191:28:006:434:26
6:30
-0:19
25K
15.53 mi11:46:271:44:086:4216:08
6:39
+0:09
30K
18.64 mi12:07:572:05:386:4421:30
6:55
+0:16
20M
20.00 mi12:17:342:15:156:469:37
7:05
+0:10
21M
21.00 mi12:24:592:22:406:487:25
7:25
+0:20
35K
21.75 mi12:30:082:27:496:485:09
6:53
-0:32
23M
23.00 mi12:39:022:36:436:498:54
7:06
+0:13
24M
24.00 mi12:46:092:43:506:507:07
7:07
+0:01
40K
24.85 mi12:52:162:49:576:506:07
7:09
+0:02
25.2M
25.20 mi12:54:572:52:386:512:41
7:47
+0:38
Finish
26.22 mi13:01:382:59:196:516:41
6:34
-1:13

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

6:30 /mi

Average Pace

6:51 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:06

91% of race

Time at Steady Pace

13:32

8% of race

Time at Slower Pace

2:41

1% of race

Average Pace: 6:50 /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 mi10:23:1620:576:4520:57
6:45
#5831
10K
6.21 mi10:43:5641:376:4220:40
6:39
#5338
15K
9.32 mi11:04:421:02:236:4220:46
6:41
#5193
20K
12.43 mi11:25:531:23:346:4321:11
6:49
#5216
Half
13.11 mi11:30:191:28:006:434:26
6:30
#5109
25K
15.53 mi11:46:271:44:086:4216:08
6:39
#4830
30K
18.64 mi12:07:572:05:386:4421:30
6:55
#4648
20M
20.00 mi12:17:342:15:156:469:37
7:05
#4624
21M
21.00 mi12:24:592:22:406:487:25
7:25
#4562
35K
21.75 mi12:30:082:27:496:485:09
6:53
#4537
23M
23.00 mi12:39:022:36:436:498:54
7:06
#4489
24M
24.00 mi12:46:092:43:506:507:07
7:07
#4523
40K
24.85 mi12:52:162:49:576:506:07
7:09
#4525
25.2M
25.20 mi12:54:572:52:386:512:41
7:47
#4536
Finish
26.22 mi13:01:382:59:196:516:41
6:34
#4461
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5831537653764944(Top 17%)4607(Top 29%)4607(Top 82%)
10K6.21 mi3.10 mi5338+4934949+4274949+4274901(Top 17%)4577(Top 28%)4577(Top 81%)
15K9.32 mi3.11 mi5193+1454828+1214828+1214944(Top 17%)4607(Top 29%)4607(Top 82%)
20K12.43 mi3.11 mi5216-234832-44832-45486(Top 19%)5013(Top 31%)5013(Top 89%)
Half13.11 mi0.68 mi5109+1074741+914741+913714(Top 13%)3514(Top 22%)3514(Top 62%)
25K15.53 mi2.42 mi4830+2794491+2504491+2503828(Top 13%)3588(Top 22%)3588(Top 64%)
30K18.64 mi3.11 mi4648+1824320+1714320+1714226(Top 15%)3880(Top 24%)3880(Top 69%)
20M20.00 mi1.36 mi4624+244288+324288+324560(Top 16%)4144(Top 26%)4144(Top 73%)
21M21.00 mi1.00 mi4562+624232+564232+564208(Top 15%)3787(Top 24%)3787(Top 67%)
35K21.75 mi0.75 mi4537+254204+284204+284634(Top 16%)4112(Top 26%)4112(Top 73%)
23M23.00 mi1.25 mi4489+484148+564148+564391(Top 15%)3879(Top 24%)3879(Top 69%)
24M24.00 mi1.00 mi4523-344169-214169-215301(Top 19%)4468(Top 28%)4468(Top 79%)
40K24.85 mi0.85 mi4525-24159+104159+104789(Top 17%)4067(Top 25%)4067(Top 72%)
25.2M25.20 mi0.35 mi4536-114164-54164-54784(Top 17%)3982(Top 25%)3982(Top 71%)
Finish26.22 mi1.02 mi4461+754094+704094+703117(Top 11%)2772(Top 17%)2772(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4944

Males

4607

M18-39

4607

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4901

Males

4577

M18-39

4577

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4944

Males

4607

M18-39

4607

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5486

Males

5013

M18-39

5013

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3714

Males

3514

M18-39

3514

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3828

Males

3588

M18-39

3588

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4226

Males

3880

M18-39

3880

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4560

Males

4144

M18-39

4144

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4208

Males

3787

M18-39

3787

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4634

Males

4112

M18-39

4112

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4391

Males

3879

M18-39

3879

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5301

Males

4468

M18-39

4468

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4789

Males

4067

M18-39

4067

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4784

Males

3982

M18-39

3982

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3117

Males

2772

M18-39

2772

Passing Analysis

Category:
Athletes Passed
2036
Passed By
666
Net Change
+1370
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5831
5K → 10K53037+493#5831#5338
10K → 15K21267+145#5338#5193
15K → 20K114137-23#5193#5216
20K → Half1081+107#5216#5109
Half → 25K2845+279#5109#4830
25K → 30K25068+182#4830#4648
30K → 20M8258+24#4648#4624
20M → 21M10644+62#4624#4562
21M → 35K5429+25#4562#4537
35K → 23M9244+48#4537#4489
23M → 24M4680-34#4489#4523
24M → 40K4951-2#4523#4525
40K → 25.2M2031-11#4525#4536
25.2M → Finish8914+75#4536#4461
TOTALS2036666+1370
📊

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