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BOSTON MARATHON 2023

Brian Sheridan

Bib: 26277•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 43%
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:53/mi
24:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
48:56
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:13:42
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:38:27
↑ 106↓ 860.1%
Half· 13.11 mi
7:44/mi
1:43:43
↑ 19↓ 370.5%
25K· 15.53 mi
7:44/mi
2:02:28
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:27:15
↑ 181↓ 1480.2%
20M
8:03/mi
2:38:12
↑ 64↓ 500.2%
21M
8:41/mi
2:46:53
↑ 106↓ 241.6%
35K· 21.75 mi
7:26/mi
2:52:27
↑ 17↓ 861.7%
23M
7:46/mi
3:02:11
↑ 23↓ 630.6%
24M
7:43/mi
3:09:54
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:16:40
↓ 200.3%
25.2M
8:19/mi
3:19:32
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:27:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:43
Pace7:55 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:24
Pace7:53 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3624:297:5324:29
7:53
-
10K
6.21 mi12:11:0348:567:5324:27
7:52
-0:01
15K
9.32 mi12:35:491:13:427:5424:46
7:58
+0:06
20K
12.43 mi13:00:341:38:277:5524:45
7:58
0:00
Half
13.11 mi13:05:501:43:437:555:16
7:44
-0:14
25K
15.53 mi13:24:352:02:287:5318:45
7:44
0:00
30K
18.64 mi13:49:222:27:157:5424:47
7:59
+0:15
20M
20.00 mi14:00:192:38:127:5510:57
8:03
+0:04
21M
21.00 mi14:09:002:46:537:578:41
8:41
+0:38
35K
21.75 mi14:14:342:52:277:565:34
7:26
-1:15
23M
23.00 mi14:24:183:02:117:559:44
7:46
+0:20
24M
24.00 mi14:32:013:09:547:557:43
7:43
-0:03
40K
24.85 mi14:38:473:16:407:556:46
7:55
+0:12
25.2M
25.20 mi14:41:393:19:327:552:52
8:19
+0:24
Finish
26.22 mi14:49:143:27:077:547:35
7:26
-0:53

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

7:26 /mi

Average Pace

7:54 /mi

Slowest Pace

8:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:34

94% of race

Time at Steady Pace

11:33

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi11:46:3624:297:5324:29
7:53
#13068
10K
6.21 mi12:11:0348:567:5324:27
7:52
#13378
15K
9.32 mi12:35:491:13:427:5424:46
7:58
#13625
20K
12.43 mi13:00:341:38:277:5524:45
7:58
#13483
Half
13.11 mi13:05:501:43:437:555:16
7:44
#13417
25K
15.53 mi13:24:352:02:287:5318:45
7:44
#12906
30K
18.64 mi13:49:222:27:157:5424:47
7:59
#12449
20M
20.00 mi14:00:192:38:127:5510:57
8:03
#12289
21M
21.00 mi14:09:002:46:537:578:41
8:41
#12237
35K
21.75 mi14:14:342:52:277:565:34
7:26
#12062
23M
23.00 mi14:24:183:02:117:559:44
7:46
#11817
24M
24.00 mi14:32:013:09:547:557:43
7:43
#11687
40K
24.85 mi14:38:473:16:407:556:46
7:55
#11589
25.2M
25.20 mi14:41:393:19:327:552:52
8:19
#11512
Finish
26.22 mi14:49:143:27:077:547:35
7:26
#11331
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 mi130689566956614141(Top 53%)9949(Top 66%)9949(Top 188%)
10K6.21 mi3.10 mi13378-3109686-1209686-12013710(Top 51%)9825(Top 65%)9825(Top 186%)
15K9.32 mi3.11 mi13625-2479774-889774-8814141(Top 53%)9949(Top 66%)9949(Top 188%)
20K12.43 mi3.11 mi13483+1429692+829692+8213130(Top 49%)9493(Top 63%)9493(Top 180%)
Half13.11 mi0.68 mi13417+669665+279665+2712154(Top 46%)9109(Top 60%)9109(Top 172%)
25K15.53 mi2.42 mi12906+5119434+2319434+23110535(Top 40%)8263(Top 54%)8263(Top 156%)
30K18.64 mi3.11 mi12449+4579208+2269208+22610695(Top 40%)8193(Top 54%)8193(Top 155%)
20M20.00 mi1.36 mi12289+1609118+909118+9010691(Top 40%)8102(Top 53%)8102(Top 153%)
21M21.00 mi1.00 mi12237+529074+449074+4411546(Top 43%)8365(Top 55%)8365(Top 158%)
35K21.75 mi0.75 mi12062+1758981+938981+938102(Top 30%)6573(Top 43%)6573(Top 124%)
23M23.00 mi1.25 mi11817+2458857+1248857+1248237(Top 31%)6555(Top 43%)6555(Top 124%)
24M24.00 mi1.00 mi11687+1308782+758782+759192(Top 35%)6995(Top 46%)6995(Top 132%)
40K24.85 mi0.85 mi11589+988716+668716+669433(Top 35%)7060(Top 47%)7060(Top 134%)
25.2M25.20 mi0.35 mi11512+778669+478669+478390(Top 32%)6422(Top 42%)6422(Top 122%)
Finish26.22 mi1.02 mi11331+1818558+1118558+1118085(Top 30%)6221(Top 41%)6221(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14141

Males

9949

M18-39

9949

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13710

Males

9825

M18-39

9825

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14141

Males

9949

M18-39

9949

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13130

Males

9493

M18-39

9493

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12154

Males

9109

M18-39

9109

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10535

Males

8263

M18-39

8263

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10695

Males

8193

M18-39

8193

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10691

Males

8102

M18-39

8102

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11546

Males

8365

M18-39

8365

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8102

Males

6573

M18-39

6573

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8237

Males

6555

M18-39

6555

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9192

Males

6995

M18-39

6995

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9433

Males

7060

M18-39

7060

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8390

Males

6422

M18-39

6422

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8085

Males

6221

M18-39

6221

Passing Analysis

Category:
Athletes Passed
2871
Passed By
1134
Net Change
+1737
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13068
5K → 10K176486-310#13068#13378
10K → 15K117364-247#13378#13625
15K → 20K252110+142#13625#13483
20K → Half737+66#13483#13417
Half → 25K5143+511#13417#12906
25K → 30K48629+457#12906#12449
30K → 20M18323+160#12449#12289
20M → 21M11563+52#12289#12237
21M → 35K1750+175#12237#12062
35K → 23M2516+245#12062#11817
23M → 24M14515+130#11817#11687
24M → 40K11315+98#11687#11589
40K → 25.2M803+77#11589#11512
25.2M → Finish19110+181#11512#11331
TOTALS28711134+1737
📊

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