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BOSTON MARATHON 2025

Charles Marshall

Bib: 5927•X

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Other)
#0 / 71
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:55
Rank: #1366
Start → 5K
6:05/mi
18:55 split
10K· 6.21 mi
37:45
Rank: #1325 (+41)
5K → 10K
6:04/mi
18:50 split
15K· 9.32 mi
56:35
Rank: #1267 (+58)
10K → 15K
6:04/mi
18:50 split
20K· 12.43 mi
1:15:39
Rank: #1270 (-3)
15K → 20K
6:08/mi
19:04 split
Half· 13.11 mi
1:19:49
Rank: #1281 (-11)
20K → Half
6:06/mi
4:10 split
25K· 15.53 mi
1:34:41
Rank: #1259 (+22)
Half → 25K
6:08/mi
14:52 split
30K· 18.64 mi
1:54:24
Rank: #1259
25K → 30K
6:21/mi
19:43 split
20M
2:03:12
Rank: #1261 (-2)
30K → 20M
6:29/mi
8:48 split
21M
2:09:46
Rank: #1206 (+55)
20M → 21M
6:34/mi
6:34 split
35K· 21.75 mi
2:14:28
Rank: #1207 (-1)
21M → 35K
6:17/mi
4:42 split
23M
2:22:39
Rank: #1179 (+28)
35K → 23M
6:32/mi
8:11 split
24M
2:29:00
Rank: #1171 (+8)
23M → 24M
6:21/mi
6:21 split
40K· 24.85 mi
2:34:28
Rank: #1151 (+20)
24M → 40K
6:24/mi
5:28 split
25.2M
2:36:52
Rank: #1146 (+5)
40K → 25.2M
6:58/mi
2:24 split
Finish· 26.22 mi
2:43:08
Rank: #1131 (+15)
25.2M → Finish
6:09/mi
6:16 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:49
Pace6:05 /mi
2nd Half
Distance13.11 mi
Time1:23:19
Pace6:21 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0118:556:0518:55
6:05
-
10K
6.21 mi10:42:5137:456:0518:50
6:04
-0:01
15K
9.32 mi11:01:4156:356:0418:50
6:04
0:00
20K
12.43 mi11:20:451:15:396:0519:04
6:08
+0:04
Half
13.11 mi11:24:551:19:496:054:10
6:06
-0:02
25K
15.53 mi11:39:471:34:416:0614:52
6:08
+0:02
30K
18.64 mi11:59:301:54:246:0819:43
6:21
+0:13
20M
20.00 mi12:08:182:03:126:108:48
6:29
+0:08
21M
21.00 mi12:14:522:09:466:116:34
6:34
+0:05
35K
21.75 mi12:19:342:14:286:114:42
6:17
-0:17
23M
23.00 mi12:27:452:22:396:128:11
6:32
+0:15
24M
24.00 mi12:34:062:29:006:136:21
6:21
-0:11
40K
24.85 mi12:39:342:34:286:135:28
6:24
+0:03
25.2M
25.20 mi12:41:582:36:526:132:24
6:58
+0:34
Finish
26.22 mi12:48:142:43:086:146:16
6:09
-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

6:04 /mi

Average Pace

6:14 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:44

99% of race

Time at Steady Pace

2:24

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:13 /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 mi10:24:0118:556:0518:55
6:05
#1366
10K
6.21 mi10:42:5137:456:0518:50
6:04
#1325
15K
9.32 mi11:01:4156:356:0418:50
6:04
#1267
20K
12.43 mi11:20:451:15:396:0519:04
6:08
#1270
Half
13.11 mi11:24:551:19:496:054:10
6:06
#1281
25K
15.53 mi11:39:471:34:416:0614:52
6:08
#1259
30K
18.64 mi11:59:301:54:246:0819:43
6:21
#1259
20M
20.00 mi12:08:182:03:126:108:48
6:29
#1261
21M
21.00 mi12:14:522:09:466:116:34
6:34
#1206
35K
21.75 mi12:19:342:14:286:114:42
6:17
#1207
23M
23.00 mi12:27:452:22:396:128:11
6:32
#1179
24M
24.00 mi12:34:062:29:006:136:21
6:21
#1171
40K
24.85 mi12:39:342:34:286:135:28
6:24
#1151
25.2M
25.20 mi12:41:582:36:526:132:24
6:58
#1146
Finish
26.22 mi12:48:142:43:086:146:16
6:09
#1131
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi1366661227(Top 4%)6(Top 8%)6
10K6.21 mi3.10 mi1325+415+15+11320(Top 5%)6(Top 8%)6
15K9.32 mi3.11 mi1267+58551227(Top 4%)6(Top 8%)6
20K12.43 mi3.11 mi1270-36-16-11295(Top 5%)7(Top 10%)7
Half13.11 mi0.68 mi1281-11661518(Top 5%)7(Top 10%)7
25K15.53 mi2.42 mi1259+22661191(Top 4%)7(Top 10%)7
30K18.64 mi3.11 mi12597-17-11344(Top 5%)7(Top 10%)7
20M20.00 mi1.36 mi1261-2771514(Top 5%)7(Top 10%)7
21M21.00 mi1.00 mi1206+5577805(Top 3%)7(Top 10%)7
35K21.75 mi0.75 mi1207-1771503(Top 5%)7(Top 10%)7
23M23.00 mi1.25 mi1179+28771560(Top 5%)7(Top 10%)7
24M24.00 mi1.00 mi1171+8771438(Top 5%)8(Top 11%)8
40K24.85 mi0.85 mi1151+20771212(Top 4%)7(Top 10%)7
25.2M25.20 mi0.35 mi1146+5771301(Top 5%)7(Top 10%)7
Finish26.22 mi1.02 mi1131+15771331(Top 5%)7(Top 10%)7

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

1227

X

6

Age Div

6

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1320

X

6

Age Div

6

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

1227

X

6

Age Div

6

15K→20K

9.3 - 12.4 mi

Top 5%
×5story building
+106ft-86ft

Overall

1295

X

7

Age Div

7

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1518

X

7

Age Div

7

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1191

X

7

Age Div

7

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1344

X

7

Age Div

7

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1514

X

7

Age Div

7

20M→21M

20.0 - 21.0 mi

Top 3%
×8story building
+106ft-24ft

Overall

805

X

7

Age Div

7

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1503

X

7

Age Div

7

35K→23M

21.8 - 23.0 mi

Top 5%
×5story building
+23ft-63ft

Overall

1560

X

7

Age Div

7

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1438

X

8

Age Div

8

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1212

X

7

Age Div

7

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1301

X

7

Age Div

7

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2story building
+22ft-21ft

Overall

1331

X

7

Age Div

7

Passing Analysis

Category:
Athletes Passed
560
Passed By
325
Net Change
+235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1366
5K → 10K8847+41#1366#1325
10K → 15K7517+58#1325#1267
15K → 20K4649-3#1267#1270
20K → Half516-11#1270#1281
Half → 25K5028+22#1281#1259
25K → 30K54540#1259#1259
30K → 20M2830-2#1259#1261
20M → 21M605+55#1261#1206
21M → 35K1415-1#1206#1207
35K → 23M4416+28#1207#1179
23M → 24M3123+8#1179#1171
24M → 40K266+20#1171#1151
40K → 25.2M83+5#1151#1146
25.2M → Finish3116+15#1146#1131
TOTALS560325+235
📊

Passing Visuals

Category:
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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