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BOSTON MARATHON 2025

Andrew Williams

Bib: 3028•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:07
Rank: #3631
Start → 5K
20:07 | 6:28/mi
10K· 6.21 mi
39:57
Rank: #3255 (+376)
5K → 10K
19:50 | 6:23/mi
15K· 9.32 mi
59:44
Rank: #3056 (+199)
10K → 15K
19:47 | 6:22/mi
20K· 12.43 mi
1:19:31
Rank: #2838 (+218)
15K → 20K
19:47 | 6:22/mi
Half· 13.11 mi
1:23:48
Rank: #2809 (+29)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:39:17
Rank: #2686 (+123)
Half → 25K
15:29 | 6:23/mi
30K· 18.64 mi
1:59:11
Rank: #2410 (+276)
25K → 30K
19:54 | 6:24/mi
20M
2:07:57
Rank: #2302 (+108)
30K → 20M
8:46 | 6:27/mi
21M
2:14:31
Rank: #2185 (+117)
20M → 21M
6:34 | 6:34/mi
35K· 21.75 mi
2:19:06
Rank: #2112 (+73)
21M → 35K
4:35 | 6:08/mi
23M
2:26:47
Rank: #1928 (+184)
35K → 23M
7:41 | 6:08/mi
24M
2:32:44
Rank: #1809 (+119)
23M → 24M
5:57 | 5:57/mi
40K· 24.85 mi
2:37:52
Rank: #1683 (+126)
24M → 40K
5:08 | 6:00/mi
25.2M
2:40:02
Rank: #1623 (+60)
40K → 25.2M
2:10 | 6:17/mi
Finish· 26.22 mi
2:45:38
Rank: #1470 (+153)
25.2M → Finish
5:36 | 5:30/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:23:48
Pace6:24 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:21:50
Pace6:15 /mi
📊Negative Split: 2.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0420:076:2820:07
6:28
-
10K
6.21 mi10:40:5439:576:2619:50
6:23
-0:05
15K
9.32 mi11:00:4159:446:2519:47
6:22
-0:01
20K
12.43 mi11:20:281:19:316:2419:47
6:22
0:00
Half
13.11 mi11:24:451:23:486:244:17
6:17
-0:05
25K
15.53 mi11:40:141:39:176:2315:29
6:23
+0:06
30K
18.64 mi12:00:081:59:116:2419:54
6:24
+0:01
20M
20.00 mi12:08:542:07:576:248:46
6:27
+0:03
21M
21.00 mi12:15:282:14:316:246:34
6:34
+0:07
35K
21.75 mi12:20:032:19:066:244:35
6:08
-0:26
23M
23.00 mi12:27:442:26:476:237:41
6:08
0:00
24M
24.00 mi12:33:412:32:446:225:57
5:57
-0:11
40K
24.85 mi12:38:492:37:526:215:08
6:00
+0:03
25.2M
25.20 mi12:40:592:40:026:212:10
6:17
+0:17
Finish
26.22 mi12:46:352:45:386:195:36
5:30
-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

5:30 /mi

Average Pace

6:19 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:41

10% of race

Time at Steady Pace

2:22:23

86% of race

Time at Slower Pace

6:34

4% of race

Average Pace: 6:19 /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 mi10:21:0420:076:2820:07
6:28
#3631
10K
6.21 mi10:40:5439:576:2619:50
6:23
#3255
15K
9.32 mi11:00:4159:446:2519:47
6:22
#3056
20K
12.43 mi11:20:281:19:316:2419:47
6:22
#2838
Half
13.11 mi11:24:451:23:486:244:17
6:17
#2809
25K
15.53 mi11:40:141:39:176:2315:29
6:23
#2686
30K
18.64 mi12:00:081:59:116:2419:54
6:24
#2410
20M
20.00 mi12:08:542:07:576:248:46
6:27
#2302
21M
21.00 mi12:15:282:14:316:246:34
6:34
#2185
35K
21.75 mi12:20:032:19:066:244:35
6:08
#2112
23M
23.00 mi12:27:442:26:476:237:41
6:08
#1928
24M
24.00 mi12:33:412:32:446:225:57
5:57
#1809
40K
24.85 mi12:38:492:37:526:215:08
6:00
#1683
25.2M
25.20 mi12:40:592:40:026:212:10
6:17
#1623
Finish
26.22 mi12:46:352:45:386:195:36
5:30
#1470
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3631344334432716(Top 10%)2586(Top 16%)2586(Top 46%)
10K6.21 mi3.10 mi3255+3763092+3513092+3512919(Top 10%)2778(Top 17%)2778(Top 49%)
15K9.32 mi3.11 mi3056+1992909+1832909+1832716(Top 10%)2586(Top 16%)2586(Top 46%)
20K12.43 mi3.11 mi2838+2182707+2022707+2022338(Top 8%)2228(Top 14%)2228(Top 39%)
Half13.11 mi0.68 mi2809+292679+282679+282332(Top 8%)2229(Top 14%)2229(Top 40%)
25K15.53 mi2.42 mi2686+1232562+1172562+1172277(Top 8%)2164(Top 13%)2164(Top 38%)
30K18.64 mi3.11 mi2410+2762299+2632299+2631576(Top 6%)1493(Top 9%)1493(Top 26%)
20M20.00 mi1.36 mi2302+1082196+1032196+1031434(Top 5%)1356(Top 8%)1356(Top 24%)
21M21.00 mi1.00 mi2185+1172084+1122084+112835(Top 3%)790(Top 5%)790(Top 14%)
35K21.75 mi0.75 mi2112+732011+732011+731025(Top 4%)966(Top 6%)966(Top 17%)
23M23.00 mi1.25 mi1928+1841829+1821829+182561(Top 2%)529(Top 3%)529(Top 9%)
24M24.00 mi1.00 mi1809+1191713+1161713+116502(Top 2%)466(Top 3%)466(Top 8%)
40K24.85 mi0.85 mi1683+1261593+1201593+120407(Top 1%)379(Top 2%)379(Top 7%)
25.2M25.20 mi0.35 mi1623+601536+571536+57227(Top 0.8%)211(Top 1%)211(Top 4%)
Finish26.22 mi1.02 mi1470+1531388+1481388+148149(Top 0.5%)143(Top 0.9%)143(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2716

Males

2586

M18-39

2586

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2919

Males

2778

M18-39

2778

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2716

Males

2586

M18-39

2586

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2338

Males

2228

M18-39

2228

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2332

Males

2229

M18-39

2229

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2277

Males

2164

M18-39

2164

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1576

Males

1493

M18-39

1493

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1434

Males

1356

M18-39

1356

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

835

Males

790

M18-39

790

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1025

Males

966

M18-39

966

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

561

Males

529

M18-39

529

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

502

Males

466

M18-39

466

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

407

Males

379

M18-39

379

40K→25.2M

24.9 - 25.2 mi

Top 0.8%
×1story
+13ft-16ft

Overall

227

Males

211

M18-39

211

25.2M→Finish

25.2 - 26.2 mi

Top 0.5%
×2stories
+22ft-21ft

Overall

149

Males

143

M18-39

143

Passing Analysis

Category:
Athletes Passed
2244
Passed By
83
Net Change
+2161
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3631
5K → 10K40529+376#3631#3255
10K → 15K21415+199#3255#3056
15K → 20K2268+218#3056#2838
20K → Half323+29#2838#2809
Half → 25K14017+123#2809#2686
25K → 30K2782+276#2686#2410
30K → 20M1113+108#2410#2302
20M → 21M1192+117#2302#2185
21M → 35K741+73#2185#2112
35K → 23M1840+184#2112#1928
23M → 24M1201+119#1928#1809
24M → 40K1271+126#1809#1683
40K → 25.2M611+60#1683#1623
25.2M → Finish1530+153#1623#1470
TOTALS224483+2161
📊

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