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BOSTON MARATHON 2026

Stephen Tomlinson

Bib: 2493 M GB

0:00
0:00
/ mi
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Overall
#0 / 29021
Top 13%
Gender (Male)
#0 / 16340
Top 22%
Division (M18-39)
#0 / 5723
Top 47%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:14/mi
19:21
↑ 97↓ 345
10K· 6.21 mi
6:14/mi
38:40
↑ 79↓ 138
15K· 9.32 mi
6:08/mi
57:42
↑ 67↓ 78
20K· 12.43 mi
6:18/mi
1:17:16
↑ 106↓ 86
HALF· 13.11 mi
6:12/mi
1:21:29
↑ 19↓ 37
25K· 15.53 mi
6:37/mi
1:37:31
↑ 66↓ 88
30K· 18.64 mi
6:49/mi
1:58:40
↑ 181↓ 148
20M
6:48/mi
2:07:54
↑ 64↓ 50
21M
7:14/mi
2:15:08
↑ 106↓ 24
35K· 21.75 mi
6:47/mi
2:20:12
↑ 17↓ 86
23M
7:14/mi
2:29:15
↑ 23↓ 63
24M
7:14/mi
2:36:29
↓ 82
40K· 24.85 mi
7:40/mi
2:43:02
↓ 20
25.2M
8:13/mi
2:45:52
↑ 13↓ 16
FINISH· 26.22 mi
7:35/mi
2:53:35
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via HALF
1:21:296:13 /mi⚡ faster
2nd Half
1:32:067:02 /mi+13.0%
Positive split — 13.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
19:216:143.11 mi19:21
6:14
-
10K
38:406:143.10 mi19:19
6:14
0:00
15K
57:426:123.11 mi19:02
6:08
-0:06
20K
1:17:166:143.11 mi19:34
6:18
+0:10
HALF(13.11 mi)
1:21:296:130.68 mi4:13
6:12
-0:06
25K
1:37:316:172.42 mi16:02
6:37
+0:25
30K
1:58:406:223.11 mi21:09
6:49
+0:12
20M
2:07:546:241.36 mi9:14
6:48
-0:01
21M
2:15:086:271.00 mi7:14
7:14
+0:26
35K
2:20:126:270.75 mi5:04
6:47
-0:27
23M
2:29:156:301.25 mi9:03
7:14
+0:27
24M
2:36:296:321.00 mi7:14
7:14
0:00
40K
2:43:026:340.85 mi6:33
7:40
+0:26
25.2M
2:45:526:350.35 mi2:50
8:13
+0:33
FINISH(26.22 mi)
2:53:356:381.02 mi7:43
7:35
-0:38
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:08 /mi

Average Pace

6:38 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:21:29

47% of race

Time at Steady Pace

51:29

30% of race

Time at Slower Pace

40:37

23% of race

Average Pace: 6:37 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi225021682168193318641864
10K3.10 mi2302-522219-512219-51234922632263
15K3.11 mi2165+1372089+1302089+130193318641864
20K3.11 mi2228-632150-612150-61255724632463
HALF(13.11 mi)0.68 mi2231-32153-32153-3243223432343
25K2.42 mi2475-2442385-2322385-232419139233923
30K3.11 mi2796-3212687-3022687-302442340664066
20M1.36 mi2868-722754-672754-67409337513751
21M1.00 mi2928-602806-522806-52480342344234
35K0.75 mi2984-562857-512857-51540347284728
23M1.25 mi3148-1643008-1513008-151694357035703
24M1.00 mi3299-1513143-1353143-135804462616261
40K0.85 mi3475-1763291-1483291-148997371817181
25.2M0.35 mi3547-723350-593350-59957368626862
FINISH(26.22 mi)1.02 mi3769-2223529-1793529-1791193480518051

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21story building
+97ft-345ft

Overall

1933

Males

1864

M18-39

1864

5K→10K

3.1 - 6.2 mi

Top 8%
×5story building
+79ft-138ft

Overall

2349

Males

2263

M18-39

2263

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+67ft-78ft

Overall

1933

Males

1864

M18-39

1864

15K→20K

9.3 - 12.4 mi

Top 9%
×5story building
+106ft-86ft

Overall

2557

Males

2463

M18-39

2463

20K→HALF

12.4 - 13.1 mi

Top 8%
×2story building
+19ft-37ft

Overall

2432

Males

2343

M18-39

2343

HALF→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

4191

Males

3923

M18-39

3923

25K→30K

15.5 - 18.6 mi

Top 15%
×9story building
+181ft-148ft

Overall

4423

Males

4066

M18-39

4066

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

4093

Males

3751

M18-39

3751

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4803

Males

4234

M18-39

4234

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5403

Males

4728

M18-39

4728

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6943

Males

5703

M18-39

5703

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

8044

Males

6261

M18-39

6261

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9973

Males

7181

M18-39

7181

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9573

Males

6862

M18-39

6862

25.2M→FINISH

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11934

Males

8051

M18-39

8051

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#2250
5K → 10K
12775-52
#2250 → #2302
10K → 15K
16153+137
#2302 → #2165
15K → 20K
9027-63
#2165 → #2228
20K → HALF
129-3
#2228 → #2231
HALF → 25K
26218-244
#2231 → #2475
25K → 30K
34322-321
#2475 → #2796
30K → 20M
10129-72
#2796 → #2868
20M → 21M
8626-60
#2868 → #2928
21M → 35K
7014-56
#2928 → #2984
35K → 23M
18420-164
#2984 → #3148
23M → 24M
16615-151
#3148 → #3299
24M → 40K
18913-176
#3299 → #3475
40K → 25.2M
797-72
#3475 → #3547
25.2M → FINISH
23210-222
#3547 → #3769
TOTALS
1957438-1519
#2250 → #3769

Passing Visualized

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