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BOSTON MARATHON 2025

Michael Santos

Bib: 4238•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 19%
Division (M18-39)
#0 / 5642
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:22
Rank: #2053
Start → 5K
19:22 | 6:14/mi
10K· 6.21 mi
38:55
Rank: #2200 (-147)
5K → 10K
19:33 | 6:18/mi
15K· 9.32 mi
58:26
Rank: #2195 (+5)
10K → 15K
19:31 | 6:17/mi
20K· 12.43 mi
1:18:13
Rank: #2227 (-32)
15K → 20K
19:47 | 6:22/mi
Half· 13.11 mi
1:22:33
Rank: #2254 (-27)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:38:28
Rank: #2395 (-141)
Half → 25K
15:55 | 6:34/mi
30K· 18.64 mi
1:59:43
Rank: #2572 (-177)
25K → 30K
21:15 | 6:50/mi
20M
2:09:26
Rank: #2706 (-134)
30K → 20M
9:43 | 7:09/mi
21M
2:17:07
Rank: #2837 (-131)
20M → 21M
7:41 | 7:41/mi
35K· 21.75 mi
2:22:17
Rank: #2874 (-37)
21M → 35K
5:10 | 6:54/mi
23M
2:31:41
Rank: #3012 (-138)
35K → 23M
9:24 | 7:30/mi
24M
2:38:43
Rank: #3056 (-44)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:45:11
Rank: #3165 (-109)
24M → 40K
6:28 | 7:34/mi
25.2M
2:47:51
Rank: #3174 (-9)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
2:54:54
Rank: #3220 (-46)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:33
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:32:21
Pace7:03 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2519:226:1419:22
6:14
-
10K
6.21 mi10:40:5838:556:1619:33
6:18
+0:04
15K
9.32 mi11:00:2958:266:1619:31
6:17
-0:01
20K
12.43 mi11:20:161:18:136:1819:47
6:22
+0:05
Half
13.11 mi11:24:361:22:336:184:20
6:21
-0:01
25K
15.53 mi11:40:311:38:286:2015:55
6:34
+0:13
30K
18.64 mi12:01:461:59:436:2521:15
6:50
+0:16
20M
20.00 mi12:11:292:09:266:289:43
7:09
+0:19
21M
21.00 mi12:19:102:17:076:327:41
7:41
+0:32
35K
21.75 mi12:24:202:22:176:335:10
6:54
-0:47
23M
23.00 mi12:33:442:31:416:369:24
7:30
+0:36
24M
24.00 mi12:40:462:38:436:377:02
7:02
-0:28
40K
24.85 mi12:47:142:45:116:396:28
7:34
+0:32
25.2M
25.20 mi12:49:542:47:516:402:40
7:44
+0:10
Finish
26.22 mi12:56:572:54:546:417:03
6:55
-0:49

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

6:14 /mi

Average Pace

6:41 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:28

56% of race

Time at Steady Pace

50:13

29% of race

Time at Slower Pace

26:13

15% of race

Average Pace: 6:40 /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 mi10:21:2519:226:1419:22
6:14
#2053
10K
6.21 mi10:40:5838:556:1619:33
6:18
#2200
15K
9.32 mi11:00:2958:266:1619:31
6:17
#2195
20K
12.43 mi11:20:161:18:136:1819:47
6:22
#2227
Half
13.11 mi11:24:361:22:336:184:20
6:21
#2254
25K
15.53 mi11:40:311:38:286:2015:55
6:34
#2395
30K
18.64 mi12:01:461:59:436:2521:15
6:50
#2572
20M
20.00 mi12:11:292:09:266:289:43
7:09
#2706
21M
21.00 mi12:19:102:17:076:327:41
7:41
#2837
35K
21.75 mi12:24:202:22:176:335:10
6:54
#2874
23M
23.00 mi12:33:442:31:416:369:24
7:30
#3012
24M
24.00 mi12:40:462:38:436:377:02
7:02
#3056
40K
24.85 mi12:47:142:45:116:396:28
7:34
#3165
25.2M
25.20 mi12:49:542:47:516:402:40
7:44
#3174
Finish
26.22 mi12:56:572:54:546:417:03
6:55
#3220
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2053195519552257(Top 8%)2152(Top 13%)2152(Top 38%)
10K6.21 mi3.10 mi2200-1472100-1452100-1452373(Top 8%)2270(Top 14%)2270(Top 40%)
15K9.32 mi3.11 mi2195+52096+42096+42257(Top 8%)2152(Top 13%)2152(Top 38%)
20K12.43 mi3.11 mi2227-322128-322128-322349(Top 8%)2239(Top 14%)2239(Top 40%)
Half13.11 mi0.68 mi2254-272153-252153-252781(Top 10%)2657(Top 16%)2657(Top 47%)
25K15.53 mi2.42 mi2395-1412285-1322285-1323232(Top 11%)3060(Top 19%)3060(Top 54%)
30K18.64 mi3.11 mi2572-1772457-1722457-1723684(Top 13%)3409(Top 21%)3409(Top 60%)
20M20.00 mi1.36 mi2706-1342576-1192576-1194907(Top 17%)4410(Top 27%)4410(Top 78%)
21M21.00 mi1.00 mi2837-1312699-1232699-1235528(Top 19%)4738(Top 29%)4738(Top 84%)
35K21.75 mi0.75 mi2874-372729-302729-304717(Top 17%)4160(Top 26%)4160(Top 74%)
23M23.00 mi1.25 mi3012-1382850-1212850-1216626(Top 23%)5367(Top 33%)5367(Top 95%)
24M24.00 mi1.00 mi3056-442888-382888-384783(Top 17%)4097(Top 25%)4097(Top 73%)
40K24.85 mi0.85 mi3165-1092980-922980-927124(Top 25%)5485(Top 34%)5485(Top 97%)
25.2M25.20 mi0.35 mi3174-92988-82988-84426(Top 16%)3704(Top 23%)3704(Top 66%)
Finish26.22 mi1.02 mi3220-463025-373025-375171(Top 18%)4219(Top 26%)4219(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2257

Males

2152

M18-39

2152

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2373

Males

2270

M18-39

2270

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2257

Males

2152

M18-39

2152

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2349

Males

2239

M18-39

2239

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2781

Males

2657

M18-39

2657

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3232

Males

3060

M18-39

3060

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3684

Males

3409

M18-39

3409

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4907

Males

4410

M18-39

4410

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5528

Males

4738

M18-39

4738

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4717

Males

4160

M18-39

4160

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6626

Males

5367

M18-39

5367

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4783

Males

4097

M18-39

4097

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7124

Males

5485

M18-39

5485

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4426

Males

3704

M18-39

3704

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5171

Males

4219

M18-39

4219

Passing Analysis

Category:
Athletes Passed
449
Passed By
1616
Net Change
-1167
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2053
5K → 10K62209-147#2053#2200
10K → 15K7469+5#2200#2195
15K → 20K5284-32#2195#2227
20K → Half431-27#2227#2254
Half → 25K22163-141#2254#2395
25K → 30K40217-177#2395#2572
30K → 20M28162-134#2572#2706
20M → 21M23154-131#2706#2837
21M → 35K2057-37#2837#2874
35K → 23M27165-138#2874#3012
23M → 24M2670-44#3012#3056
24M → 40K17126-109#3056#3165
40K → 25.2M2433-9#3165#3174
25.2M → Finish3076-46#3174#3220
TOTALS4491616-1167
📊

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