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BOSTON MARATHON 2025

Jacob Mcallister

Bib: 26495•M

MA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:49/mi
27:25
↑ 97↓ 3451.5%
10K· 6.21 mi
9:35/mi
57:12
↑ 79↓ 1380.4%
15K· 9.32 mi
10:42/mi
1:30:26
↑ 67↓ 78
20K· 12.43 mi
11:14/mi
2:05:19
↑ 106↓ 860.1%
Half· 13.11 mi
10:36/mi
2:12:33
↑ 19↓ 370.5%
25K· 15.53 mi
12:01/mi
2:41:42
↑ 66↓ 880.2%
30K· 18.64 mi
13:10/mi
3:22:35
↑ 181↓ 1480.2%
20M
12:31/mi
3:39:36
↑ 64↓ 500.2%
21M
13:33/mi
3:53:09
↑ 106↓ 241.6%
35K· 21.75 mi
12:08/mi
4:02:14
↑ 17↓ 861.7%
23M
14:39/mi
4:20:34
↑ 23↓ 630.6%
24M
14:35/mi
4:35:09
↓ 821.3%
40K· 24.85 mi
12:25/mi
4:45:46
↓ 200.3%
25.2M
12:11/mi
4:49:58
↑ 13↓ 160.2%
Finish· 26.22 mi
11:11/mi
5:01:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:33
Pace10:07 /mi
2nd Half
Distance13.11 mi
Time2:48:49
Pace12:53 /mi
📊Positive Split: 27.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2327:258:4927:25
8:49
-
10K
6.21 mi12:22:1057:129:1229:47
9:35
+0:46
15K
9.32 mi12:55:241:30:269:4233:14
10:42
+1:07
20K
12.43 mi13:30:172:05:1910:0534:53
11:14
+0:32
Half
13.11 mi13:37:312:12:3310:077:14
10:36
-0:38
25K
15.53 mi14:06:402:41:4210:2529:09
12:01
+1:25
30K
18.64 mi14:47:333:22:3510:5240:53
13:10
+1:09
20M
20.00 mi15:04:343:39:3610:5917:01
12:31
-0:39
21M
21.00 mi15:18:073:53:0911:0613:33
13:33
+1:02
35K
21.75 mi15:27:124:02:1411:089:05
12:08
-1:25
23M
23.00 mi15:45:324:20:3411:2018:20
14:39
+2:31
24M
24.00 mi16:00:074:35:0911:2814:35
14:35
-0:04
40K
24.85 mi16:10:444:45:4611:3010:37
12:25
-2:10
25.2M
25.20 mi16:14:564:49:5811:304:12
12:11
-0:14
Finish
26.22 mi16:26:205:01:2211:3011:24
11:11
-1:00

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

8:49 /mi

Average Pace

11:30 /mi

Slowest Pace

14:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:57

48% of race

Time at Steady Pace

1:10:04

23% of race

Time at Slower Pace

1:27:21

29% of race

Average Pace: 11:30 /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 mi11:52:2327:258:4927:25
8:49
#21640
10K
6.21 mi12:22:1057:129:1229:47
9:35
#23220
15K
9.32 mi12:55:241:30:269:4233:14
10:42
#24587
20K
12.43 mi13:30:172:05:1910:0534:53
11:14
#25209
Half
13.11 mi13:37:312:12:3310:077:14
10:36
#25243
25K
15.53 mi14:06:402:41:4210:2529:09
12:01
#25538
30K
18.64 mi14:47:333:22:3510:5240:53
13:10
#25858
20M
20.00 mi15:04:343:39:3610:5917:01
12:31
#25880
21M
21.00 mi15:18:073:53:0911:0613:33
13:33
#25886
35K
21.75 mi15:27:124:02:1411:089:05
12:08
#25899
23M
23.00 mi15:45:324:20:3411:2018:20
14:39
#26096
24M
24.00 mi16:00:074:35:0911:2814:35
14:35
#26230
40K
24.85 mi16:10:444:45:4611:3010:37
12:25
#26214
25.2M
25.20 mi16:14:564:49:5811:304:12
12:11
#26198
Finish
26.22 mi16:26:205:01:2211:3011:24
11:11
#26201
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21640131541315426248(Top 92%)15266(Top 95%)15266(Top 271%)
10K6.21 mi3.10 mi23220-158013889-73513889-73524325(Top 86%)14388(Top 89%)14388(Top 255%)
15K9.32 mi3.11 mi24587-136714519-63014519-63026248(Top 92%)15266(Top 95%)15266(Top 271%)
20K12.43 mi3.11 mi25209-62214793-27414793-27426319(Top 93%)15267(Top 95%)15267(Top 271%)
Half13.11 mi0.68 mi25243-3414805-1214805-1225950(Top 91%)15092(Top 94%)15092(Top 267%)
25K15.53 mi2.42 mi25538-29514934-12914934-12926456(Top 93%)15276(Top 95%)15276(Top 271%)
30K18.64 mi3.11 mi25858-32015048-11415048-11426836(Top 94%)15367(Top 95%)15367(Top 272%)
20M20.00 mi1.36 mi25880-2215043+515043+525932(Top 91%)14888(Top 92%)14888(Top 264%)
21M21.00 mi1.00 mi25886-615031+1215031+1225720(Top 91%)14742(Top 92%)14742(Top 261%)
35K21.75 mi0.75 mi25899-1315036-515036-526062(Top 92%)14866(Top 92%)14866(Top 263%)
23M23.00 mi1.25 mi26096-19715111-7515111-7527727(Top 98%)15691(Top 97%)15691(Top 278%)
24M24.00 mi1.00 mi26230-13415149-3815149-3827915(Top 98%)15777(Top 98%)15777(Top 280%)
40K24.85 mi0.85 mi26214+1615142+715142+725560(Top 90%)14561(Top 90%)14561(Top 258%)
25.2M25.20 mi0.35 mi26198+1615132+1015132+1023570(Top 83%)13560(Top 84%)13560(Top 240%)
Finish26.22 mi1.02 mi26201-315130+215130+225688(Top 90%)14628(Top 91%)14628(Top 259%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

26248

Males

15266

M18-39

15266

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

24325

Males

14388

M18-39

14388

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

26248

Males

15266

M18-39

15266

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

26319

Males

15267

M18-39

15267

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25950

Males

15092

M18-39

15092

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26456

Males

15276

M18-39

15276

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26836

Males

15367

M18-39

15367

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25932

Males

14888

M18-39

14888

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25720

Males

14742

M18-39

14742

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26062

Males

14866

M18-39

14866

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

27727

Males

15691

M18-39

15691

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27915

Males

15777

M18-39

15777

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25560

Males

14561

M18-39

14561

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23570

Males

13560

M18-39

13560

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

25688

Males

14628

M18-39

14628

Passing Analysis

Category:
Athletes Passed
319
Passed By
4880
Net Change
-4561
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21640
5K → 10K151595-1580#21640#23220
10K → 15K141381-1367#23220#24587
15K → 20K24646-622#24587#25209
20K → Half943-34#25209#25243
Half → 25K30325-295#25243#25538
25K → 30K30350-320#25538#25858
30K → 20M4870-22#25858#25880
20M → 21M4046-6#25880#25886
21M → 35K2336-13#25886#25899
35K → 23M3200-197#25899#26096
23M → 24M7141-134#26096#26230
24M → 40K3216+16#26230#26214
40K → 25.2M193+16#26214#26198
25.2M → Finish2528-3#26198#26201
TOTALS3194880-4561
📊

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