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BOSTON MARATHON 2023

Sebastian Tamayo

NY

Bib: 6634 M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:52/mi
24:25
↑ 97↓ 345
10K· 6.21 mi
7:45/mi
48:31
↑ 79↓ 138
15K· 9.32 mi
7:53/mi
1:13:01
↑ 67↓ 78
20K· 12.43 mi
7:49/mi
1:37:18
↑ 106↓ 86
Half· 13.11 mi
7:48/mi
1:42:37
↑ 19↓ 37
25K· 15.53 mi
8:09/mi
2:02:22
↑ 66↓ 88
30K· 18.64 mi
7:50/mi
2:26:42
↑ 181↓ 148
20M
7:44/mi
2:37:13
↑ 64↓ 50
21M
7:40/mi
2:44:53
↑ 106↓ 24
35K· 21.75 mi
7:30/mi
2:50:30
↑ 17↓ 86
23M
8:10/mi
3:00:44
↑ 23↓ 63
24M
7:37/mi
3:08:21
↓ 82
40K· 24.85 mi
7:42/mi
3:14:56
↓ 20
25.2M
7:50/mi
3:17:38
↑ 13↓ 16
Finish· 26.22 mi
7:05/mi
3:24:51
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:42:377:50 /mi⚖️ balanced
2nd Half
1:42:147:48 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
24:257:523.11 mi24:25
7:52
-
10K
48:317:483.10 mi24:06
7:45
-0:07
15K
1:13:017:503.11 mi24:30
7:53
+0:08
20K
1:37:187:503.11 mi24:17
7:49
-0:04
Half(13.11 mi)
1:42:377:500.68 mi5:19
7:48
-0:01
25K
2:02:227:532.42 mi19:45
8:09
+0:21
30K
2:26:427:523.11 mi24:20
7:50
-0:19
20M
2:37:137:521.36 mi10:31
7:44
-0:06
21M
2:44:537:511.00 mi7:40
7:40
-0:04
35K
2:50:307:500.75 mi5:37
7:30
-0:10
23M
3:00:447:511.25 mi10:14
8:10
+0:40
24M
3:08:217:511.00 mi7:37
7:37
-0:33
40K
3:14:567:510.85 mi6:35
7:42
+0:05
25.2M
3:17:387:510.35 mi2:42
7:50
+0:08
Finish(26.22 mi)
3:24:517:491.02 mi7:13
7:05
-0:45
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:05 /mi

Average Pace

7:49 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:09:19

34% of race

Time at Steady Pace

2:15:32

66% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi12901949494941338696469646
10K3.10 mi12768+1339452+429452+421272294329432
15K3.11 mi12989-2219520-689520-681338696469646
20K3.11 mi12650+3399347+1739347+1731185589578957
Half(13.11 mi)0.68 mi12640+109338+99338+91256592909290
25K2.42 mi12834-1949397-599397-591382496929692
30K3.11 mi12206+6289091+3069091+306960376247624
20M1.36 mi11866+3408928+1638928+163843968646864
21M1.00 mi11438+4288731+1978731+197546248154815
35K0.75 mi11308+1308660+718660+71859368676867
23M1.25 mi11271+378613+478613+471096979507950
24M1.00 mi11138+1338526+878526+87851366256625
40K0.85 mi10991+1478425+1018425+101798562486248
25.2M0.35 mi10874+1178352+738352+73557846774677
Finish(26.22 mi)1.02 mi10596+2788190+1628190+162572847554755

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13386

Males

9646

M18-39

9646

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12722

Males

9432

M18-39

9432

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13386

Males

9646

M18-39

9646

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

11855

Males

8957

M18-39

8957

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12565

Males

9290

M18-39

9290

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13824

Males

9692

M18-39

9692

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9603

Males

7624

M18-39

7624

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8439

Males

6864

M18-39

6864

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5462

Males

4815

M18-39

4815

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8593

Males

6867

M18-39

6867

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10969

Males

7950

M18-39

7950

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8513

Males

6625

M18-39

6625

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7985

Males

6248

M18-39

6248

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5578

Males

4677

M18-39

4677

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5728

Males

4755

M18-39

4755

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#12901
5K → 10K
248381+133
#12901 → #12768
10K → 15K
347126-221
#12768 → #12989
15K → 20K
48387+339
#12989 → #12650
20K → Half
3040+10
#12650 → #12640
Half → 25K
28490-194
#12640 → #12834
25K → 30K
5633+628
#12834 → #12206
30K → 20M
4344+340
#12206 → #11866
20M → 21M
0428+428
#11866 → #11438
21M → 35K
6136+130
#11438 → #11308
35K → 23M
70107+37
#11308 → #11271
23M → 24M
18151+133
#11271 → #11138
24M → 40K
6153+147
#11138 → #10991
40K → 25.2M
1118+117
#10991 → #10874
25.2M → Finish
2280+278
#10874 → #10596
TOTALS
10693374+2305
#12901 → #10596

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