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BOSTON MARATHON 2025

Sergio Estrada

Bib: 1455•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 6%
Division (M18-39)
#0 / 5642
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:31
Rank: #2308
Start → 5K
19:31 | 6:17/mi
10K· 6.21 mi
38:41
Rank: #2005 (+303)
5K → 10K
19:10 | 6:10/mi
15K· 9.32 mi
57:30
Rank: #1694 (+311)
10K → 15K
18:49 | 6:03/mi
20K· 12.43 mi
1:16:24
Rank: #1520 (+174)
15K → 20K
18:54 | 6:05/mi
Half· 13.11 mi
1:20:29
Rank: #1496 (+24)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:35:22
Rank: #1426 (+70)
Half → 25K
14:53 | 6:08/mi
30K· 18.64 mi
1:55:02
Rank: #1363 (+63)
25K → 30K
19:40 | 6:20/mi
20M
2:03:38
Rank: #1321 (+42)
30K → 20M
8:36 | 6:20/mi
21M
2:10:23
Rank: #1304 (+17)
20M → 21M
6:45 | 6:45/mi
35K· 21.75 mi
2:15:06
Rank: #1290 (+14)
21M → 35K
4:43 | 6:18/mi
23M
2:22:55
Rank: #1218 (+72)
35K → 23M
7:49 | 6:15/mi
24M
2:28:50
Rank: #1146 (+72)
23M → 24M
5:55 | 5:55/mi
40K· 24.85 mi
2:34:03
Rank: #1110 (+36)
24M → 40K
5:13 | 6:06/mi
25.2M
2:36:18
Rank: #1082 (+28)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:42:33
Rank: #1066 (+16)
25.2M → Finish
6:15 | 6:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:29
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:22:04
Pace6:16 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3419:316:1719:31
6:17
-
10K
6.21 mi10:39:4438:416:1419:10
6:10
-0:07
15K
9.32 mi10:58:3357:306:1018:49
6:03
-0:07
20K
12.43 mi11:17:271:16:246:0918:54
6:05
+0:02
Half
13.11 mi11:21:321:20:296:084:05
5:59
-0:06
25K
15.53 mi11:36:251:35:226:0814:53
6:08
+0:09
30K
18.64 mi11:56:051:55:026:1019:40
6:20
+0:12
20M
20.00 mi12:04:412:03:386:118:36
6:20
0:00
21M
21.00 mi12:11:262:10:236:136:45
6:45
+0:25
35K
21.75 mi12:16:092:15:066:134:43
6:18
-0:27
23M
23.00 mi12:23:582:22:556:137:49
6:15
-0:03
24M
24.00 mi12:29:532:28:506:125:55
5:55
-0:20
40K
24.85 mi12:35:062:34:036:125:13
6:06
+0:11
25.2M
25.20 mi12:37:212:36:186:122:15
6:31
+0:25
Finish
26.22 mi12:43:362:42:336:126:15
6:08
-0:23

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

5:55 /mi

Average Pace

6:12 /mi

Slowest Pace

6:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:33

94% of race

Time at Steady Pace

9:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:12 /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 mi10:20:3419:316:1719:31
6:17
#2308
10K
6.21 mi10:39:4438:416:1419:10
6:10
#2005
15K
9.32 mi10:58:3357:306:1018:49
6:03
#1694
20K
12.43 mi11:17:271:16:246:0918:54
6:05
#1520
Half
13.11 mi11:21:321:20:296:084:05
5:59
#1496
25K
15.53 mi11:36:251:35:226:0814:53
6:08
#1426
30K
18.64 mi11:56:051:55:026:1019:40
6:20
#1363
20M
20.00 mi12:04:412:03:386:118:36
6:20
#1321
21M
21.00 mi12:11:262:10:236:136:45
6:45
#1304
35K
21.75 mi12:16:092:15:066:134:43
6:18
#1290
23M
23.00 mi12:23:582:22:556:137:49
6:15
#1218
24M
24.00 mi12:29:532:28:506:125:55
5:55
#1146
40K
24.85 mi12:35:062:34:036:125:13
6:06
#1110
25.2M
25.20 mi12:37:212:36:186:122:15
6:31
#1082
Finish
26.22 mi12:43:362:42:336:126:15
6:08
#1066
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2308220222021212(Top 4%)1150(Top 7%)1150(Top 20%)
10K6.21 mi3.10 mi2005+3031910+2921910+2921761(Top 6%)1674(Top 10%)1674(Top 30%)
15K9.32 mi3.11 mi1694+3111610+3001610+3001212(Top 4%)1150(Top 7%)1150(Top 20%)
20K12.43 mi3.11 mi1520+1741445+1651445+1651111(Top 4%)1047(Top 7%)1047(Top 19%)
Half13.11 mi0.68 mi1496+241421+241421+241097(Top 4%)1039(Top 6%)1039(Top 18%)
25K15.53 mi2.42 mi1426+701354+671354+671229(Top 4%)1162(Top 7%)1162(Top 21%)
30K18.64 mi3.11 mi1363+631288+661288+661296(Top 5%)1223(Top 8%)1223(Top 22%)
20M20.00 mi1.36 mi1321+421246+421246+421024(Top 4%)966(Top 6%)966(Top 17%)
21M21.00 mi1.00 mi1304+171230+161230+161346(Top 5%)1272(Top 8%)1272(Top 23%)
35K21.75 mi0.75 mi1290+141216+141216+141590(Top 6%)1490(Top 9%)1490(Top 26%)
23M23.00 mi1.25 mi1218+721146+701146+70759(Top 3%)716(Top 4%)716(Top 13%)
24M24.00 mi1.00 mi1146+721080+661080+66433(Top 2%)404(Top 3%)404(Top 7%)
40K24.85 mi0.85 mi1110+361046+341046+34551(Top 2%)514(Top 3%)514(Top 9%)
25.2M25.20 mi0.35 mi1082+281019+271019+27500(Top 2%)465(Top 3%)465(Top 8%)
Finish26.22 mi1.02 mi1066+161003+161003+161294(Top 5%)1207(Top 7%)1207(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1212

Males

1150

M18-39

1150

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1761

Males

1674

M18-39

1674

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1212

Males

1150

M18-39

1150

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1111

Males

1047

M18-39

1047

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1097

Males

1039

M18-39

1039

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1229

Males

1162

M18-39

1162

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1296

Males

1223

M18-39

1223

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1024

Males

966

M18-39

966

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1346

Males

1272

M18-39

1272

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1590

Males

1490

M18-39

1490

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

759

Males

716

M18-39

716

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

433

Males

404

M18-39

404

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

551

Males

514

M18-39

514

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

500

Males

465

M18-39

465

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1294

Males

1207

M18-39

1207

Passing Analysis

Category:
Athletes Passed
1348
Passed By
106
Net Change
+1242
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2308
5K → 10K32118+303#2308#2005
10K → 15K3121+311#2005#1694
15K → 20K1740+174#1694#1520
20K → Half251+24#1520#1496
Half → 25K799+70#1496#1426
25K → 30K8017+63#1426#1363
30K → 20M5210+42#1363#1321
20M → 21M3720+17#1321#1304
21M → 35K2612+14#1304#1290
35K → 23M775+72#1290#1218
23M → 24M731+72#1218#1146
24M → 40K371+36#1146#1110
40K → 25.2M280+28#1110#1082
25.2M → Finish2711+16#1082#1066
TOTALS1348106+1242
📊

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