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BOSTON MARATHON 2025

Charles Quast

Bib: 3430•M

WI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:50
Rank: #1262
Start → 5K
18:50 | 6:04/mi
10K· 6.21 mi
37:32
Rank: #1188 (+74)
5K → 10K
18:42 | 6:01/mi
15K· 9.32 mi
56:06
Rank: #1102 (+86)
10K → 15K
18:34 | 5:59/mi
20K· 12.43 mi
1:14:32
Rank: #985 (+117)
15K → 20K
18:26 | 5:56/mi
Half· 13.11 mi
1:18:32
Rank: #975 (+10)
20K → Half
4:00 | 5:52/mi
25K· 15.53 mi
1:32:48
Rank: #877 (+98)
Half → 25K
14:16 | 5:53/mi
30K· 18.64 mi
1:51:07
Rank: #740 (+137)
25K → 30K
18:19 | 5:54/mi
20M
1:59:07
Rank: #673 (+67)
30K → 20M
8:00 | 5:53/mi
21M
2:05:14
Rank: #616 (+57)
20M → 21M
6:07 | 6:07/mi
35K· 21.75 mi
2:09:35
Rank: #599 (+17)
21M → 35K
4:21 | 5:49/mi
23M
2:17:01
Rank: #568 (+31)
35K → 23M
7:26 | 5:56/mi
24M
2:22:51
Rank: #551 (+17)
23M → 24M
5:50 | 5:50/mi
40K· 24.85 mi
2:27:58
Rank: #528 (+23)
24M → 40K
5:07 | 5:59/mi
25.2M
2:30:11
Rank: #524 (+4)
40K → 25.2M
2:13 | 6:26/mi
Finish· 26.22 mi
2:35:58
Rank: #493 (+31)
25.2M → Finish
5:47 | 5:41/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:18:32
Pace5:59 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:17:26
Pace5:54 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4818:506:0418:50
6:04
-
10K
6.21 mi10:39:3037:326:0218:42
6:01
-0:03
15K
9.32 mi10:58:0456:066:0118:34
5:59
-0:02
20K
12.43 mi11:16:301:14:326:0018:26
5:56
-0:03
Half
13.11 mi11:20:301:18:325:594:00
5:52
-0:04
25K
15.53 mi11:34:461:32:485:5814:16
5:53
+0:01
30K
18.64 mi11:53:051:51:075:5818:19
5:54
+0:01
20M
20.00 mi12:01:051:59:075:578:00
5:53
-0:01
21M
21.00 mi12:07:122:05:145:586:07
6:07
+0:14
35K
21.75 mi12:11:332:09:355:584:21
5:49
-0:18
23M
23.00 mi12:18:592:17:015:577:26
5:56
+0:07
24M
24.00 mi12:24:492:22:515:575:50
5:50
-0:06
40K
24.85 mi12:29:562:27:585:575:07
5:59
+0:09
25.2M
25.20 mi12:32:092:30:115:582:13
6:26
+0:27
Finish
26.22 mi12:37:562:35:585:575:47
5:41
-0:45

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

5:41 /mi

Average Pace

5:57 /mi

Slowest Pace

6:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:45

99% of race

Time at Steady Pace

2:13

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:57 /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 mi10:20:4818:506:0418:50
6:04
#1262
10K
6.21 mi10:39:3037:326:0218:42
6:01
#1188
15K
9.32 mi10:58:0456:066:0118:34
5:59
#1102
20K
12.43 mi11:16:301:14:326:0018:26
5:56
#985
Half
13.11 mi11:20:301:18:325:594:00
5:52
#975
25K
15.53 mi11:34:461:32:485:5814:16
5:53
#877
30K
18.64 mi11:53:051:51:075:5818:19
5:54
#740
20M
20.00 mi12:01:051:59:075:578:00
5:53
#673
21M
21.00 mi12:07:122:05:145:586:07
6:07
#616
35K
21.75 mi12:11:332:09:355:584:21
5:49
#599
23M
23.00 mi12:18:592:17:015:577:26
5:56
#568
24M
24.00 mi12:24:492:22:515:575:50
5:50
#551
40K
24.85 mi12:29:562:27:585:575:07
5:59
#528
25.2M
25.20 mi12:32:092:30:115:582:13
6:26
#524
Finish
26.22 mi12:37:562:35:585:575:47
5:41
#493
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi126211971197953(Top 3%)900(Top 6%)900(Top 16%)
10K6.21 mi3.10 mi1188+741125+721125+721149(Top 4%)1087(Top 7%)1087(Top 19%)
15K9.32 mi3.11 mi1102+861041+841041+84953(Top 3%)900(Top 6%)900(Top 16%)
20K12.43 mi3.11 mi985+117928+113928+113694(Top 2%)647(Top 4%)647(Top 11%)
Half13.11 mi0.68 mi975+10918+10918+10709(Top 2%)663(Top 4%)663(Top 12%)
25K15.53 mi2.42 mi877+98825+93825+93541(Top 2%)500(Top 3%)500(Top 9%)
30K18.64 mi3.11 mi740+137693+132693+132354(Top 1%)327(Top 2%)327(Top 6%)
20M20.00 mi1.36 mi673+67626+67626+67265(Top 0.9%)245(Top 2%)245(Top 4%)
21M21.00 mi1.00 mi616+57569+57569+57207(Top 0.7%)192(Top 1%)192(Top 3%)
35K21.75 mi0.75 mi599+17553+16553+16394(Top 1%)368(Top 2%)368(Top 7%)
23M23.00 mi1.25 mi568+31523+30523+30276(Top 1.0%)257(Top 2%)257(Top 5%)
24M24.00 mi1.00 mi551+17507+16507+16309(Top 1%)287(Top 2%)287(Top 5%)
40K24.85 mi0.85 mi528+23485+22485+22369(Top 1%)342(Top 2%)342(Top 6%)
25.2M25.20 mi0.35 mi524+4482+3482+3354(Top 1%)328(Top 2%)328(Top 6%)
Finish26.22 mi1.02 mi493+31454+28454+28325(Top 1%)304(Top 2%)304(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

953

Males

900

M18-39

900

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1149

Males

1087

M18-39

1087

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

953

Males

900

M18-39

900

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

694

Males

647

M18-39

647

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

709

Males

663

M18-39

663

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

541

Males

500

M18-39

500

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

354

Males

327

M18-39

327

30K→20M

18.6 - 20.0 mi

Top 0.9%
×5stories
+64ft-50ft

Overall

265

Males

245

M18-39

245

20M→21M

20.0 - 21.0 mi

Top 0.7%
×8stories
+106ft-24ft

Overall

207

Males

192

M18-39

192

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

394

Males

368

M18-39

368

35K→23M

21.8 - 23.0 mi

Top 1.0%
×5stories
+23ft-63ft

Overall

276

Males

257

M18-39

257

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

309

Males

287

M18-39

287

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

369

Males

342

M18-39

342

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

354

Males

328

M18-39

328

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

325

Males

304

M18-39

304

Passing Analysis

Category:
Athletes Passed
824
Passed By
55
Net Change
+769
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1262
5K → 10K10733+74#1262#1188
10K → 15K959+86#1188#1102
15K → 20K1181+117#1102#985
20K → Half111+10#985#975
Half → 25K980+98#975#877
25K → 30K1381+137#877#740
30K → 20M670+67#740#673
20M → 21M570+57#673#616
21M → 35K192+17#616#599
35K → 23M321+31#599#568
23M → 24M192+17#568#551
24M → 40K252+23#551#528
40K → 25.2M62+4#528#524
25.2M → Finish321+31#524#493
TOTALS82455+769
📊

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