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BOSTON MARATHON 2025

Reed Williams

Bib: 2445•X

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Other)
#0 / 71
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:13
Rank: #1758
Start → 5K
19:13 | 6:11/mi
10K· 6.21 mi
38:02
Rank: #1519 (+239)
5K → 10K
18:49 | 6:03/mi
15K· 9.32 mi
56:46
Rank: #1355 (+164)
10K → 15K
18:44 | 6:02/mi
20K· 12.43 mi
1:15:30
Rank: #1215 (+140)
15K → 20K
18:44 | 6:02/mi
Half· 13.11 mi
1:19:35
Rank: #1206 (+9)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:34:08
Rank: #1124 (+82)
Half → 25K
14:33 | 6:00/mi
30K· 18.64 mi
1:53:05
Rank: #1013 (+111)
25K → 30K
18:57 | 6:06/mi
20M
2:01:27
Rank: #951 (+62)
30K → 20M
8:22 | 6:09/mi
21M
2:07:53
Rank: #902 (+49)
20M → 21M
6:26 | 6:26/mi
35K· 21.75 mi
2:12:22
Rank: #879 (+23)
21M → 35K
4:29 | 6:00/mi
23M
2:20:03
Rank: #842 (+37)
35K → 23M
7:41 | 6:08/mi
24M
2:25:59
Rank: #811 (+31)
23M → 24M
5:56 | 5:56/mi
40K· 24.85 mi
2:31:06
Rank: #784 (+27)
24M → 40K
5:07 | 5:59/mi
25.2M
2:33:18
Rank: #762 (+22)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
2:39:00
Rank: #712 (+50)
25.2M → Finish
5:42 | 5:36/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:19:35
Pace6:04 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:19:25
Pace6:03 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0719:136:1119:13
6:11
-
10K
6.21 mi10:38:5638:026:0718:49
6:03
-0:08
15K
9.32 mi10:57:4056:466:0518:44
6:02
-0:01
20K
12.43 mi11:16:241:15:306:0518:44
6:02
0:00
Half
13.11 mi11:20:291:19:356:044:05
5:59
-0:03
25K
15.53 mi11:35:021:34:086:0414:33
6:00
+0:01
30K
18.64 mi11:53:591:53:056:0418:57
6:06
+0:06
20M
20.00 mi12:02:212:01:276:048:22
6:09
+0:03
21M
21.00 mi12:08:472:07:536:056:26
6:26
+0:17
35K
21.75 mi12:13:162:12:226:054:29
6:00
-0:26
23M
23.00 mi12:20:572:20:036:057:41
6:08
+0:08
24M
24.00 mi12:26:532:25:596:055:56
5:56
-0:12
40K
24.85 mi12:32:002:31:066:055:07
5:59
+0:03
25.2M
25.20 mi12:34:122:33:186:052:12
6:23
+0:24
Finish
26.22 mi12:39:542:39:006:045:42
5:36
-0:47

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

5:36 /mi

Average Pace

6:04 /mi

Slowest Pace

6:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:09

82% of race

Time at Steady Pace

27:51

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:04 /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 mi10:20:0719:136:1119:13
6:11
#1758
10K
6.21 mi10:38:5638:026:0718:49
6:03
#1519
15K
9.32 mi10:57:4056:466:0518:44
6:02
#1355
20K
12.43 mi11:16:241:15:306:0518:44
6:02
#1215
Half
13.11 mi11:20:291:19:356:044:05
5:59
#1206
25K
15.53 mi11:35:021:34:086:0414:33
6:00
#1124
30K
18.64 mi11:53:591:53:056:0418:57
6:06
#1013
20M
20.00 mi12:02:212:01:276:048:22
6:09
#951
21M
21.00 mi12:08:472:07:536:056:26
6:26
#902
35K
21.75 mi12:13:162:12:226:054:29
6:00
#879
23M
23.00 mi12:20:572:20:036:057:41
6:08
#842
24M
24.00 mi12:26:532:25:596:055:56
5:56
#811
40K
24.85 mi12:32:002:31:066:055:07
5:59
#784
25.2M
25.20 mi12:34:122:33:186:052:12
6:23
#762
Finish
26.22 mi12:39:542:39:006:045:42
5:36
#712
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi1758771120(Top 4%)5(Top 7%)5
10K6.21 mi3.10 mi1519+239771293(Top 5%)5(Top 7%)5
15K9.32 mi3.11 mi1355+1646+16+11120(Top 4%)5(Top 7%)5
20K12.43 mi3.11 mi1215+1405+15+1945(Top 3%)5(Top 7%)5
Half13.11 mi0.68 mi1206+9551061(Top 4%)5(Top 7%)5
25K15.53 mi2.42 mi1124+8255790(Top 3%)5(Top 7%)5
30K18.64 mi3.11 mi1013+11155675(Top 2%)5(Top 7%)5
20M20.00 mi1.36 mi951+6255618(Top 2%)6(Top 8%)6
21M21.00 mi1.00 mi902+4955551(Top 2%)5(Top 7%)5
35K21.75 mi0.75 mi879+2355693(Top 2%)5(Top 7%)5
23M23.00 mi1.25 mi842+3755539(Top 2%)5(Top 7%)5
24M24.00 mi1.00 mi811+3155443(Top 2%)5(Top 7%)5
40K24.85 mi0.85 mi784+2755358(Top 1%)4(Top 6%)4
25.2M25.20 mi0.35 mi762+2255273(Top 1.0%)4(Top 6%)4
Finish26.22 mi1.02 mi712+5055214(Top 0.8%)2(Top 3%)2

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1120

X

5

Age Div

5

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1293

X

5

Age Div

5

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1120

X

5

Age Div

5

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

945

X

5

Age Div

5

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1061

X

5

Age Div

5

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

790

X

5

Age Div

5

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

675

X

5

Age Div

5

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

618

X

6

Age Div

6

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

551

X

5

Age Div

5

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

693

X

5

Age Div

5

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

539

X

5

Age Div

5

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

443

X

5

Age Div

5

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

358

X

4

Age Div

4

40K→25.2M

24.9 - 25.2 mi

Top 1.0%
×1story
+13ft-16ft

Overall

273

X

4

Age Div

4

25.2M→Finish

25.2 - 26.2 mi

Top 0.8%
×2stories
+22ft-21ft

Overall

214

X

2

Age Div

2

Passing Analysis

Category:
Athletes Passed
1098
Passed By
52
Net Change
+1046
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1758
5K → 10K25011+239#1758#1519
10K → 15K1684+164#1519#1355
15K → 20K1444+140#1355#1215
20K → Half134+9#1215#1206
Half → 25K831+82#1206#1124
25K → 30K12110+111#1124#1013
30K → 20M631+62#1013#951
20M → 21M523+49#951#902
21M → 35K263+23#902#879
35K → 23M436+37#879#842
23M → 24M343+31#842#811
24M → 40K292+27#811#784
40K → 25.2M220+22#784#762
25.2M → Finish500+50#762#712
TOTALS109852+1046
📊

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