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BOSTON MARATHON 2023

Jon May

MA

Bib: 27557 M

0:00
0:00
/ mi
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Overall
#0 / 26622
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
469 ft elev
5K· 3.11 mi
9:15/mi
28:44
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:27/mi
54:59
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:30/mi
1:21:25
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:25/mi
1:47:34
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:14/mi
1:53:11
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:28/mi
2:13:42
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:44/mi
2:40:50
↑ 181↓ 1480.2%
138 ft elev
20M
8:38/mi
2:52:34
↑ 64↓ 500.2%
148 ft elev
21M
8:44/mi
3:01:18
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:09/mi
3:07:24
↑ 17↓ 861.7%
156 ft elev
23M
8:06/mi
3:17:32
↑ 23↓ 630.6%
116 ft elev
24M
8:08/mi
3:25:40
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:50/mi
3:32:22
↓ 200.3%
20 ft elev
25.2M
8:19/mi
3:35:14
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:29/mi
3:42:52
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:53:11
Pace8:38 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:49:41
Pace8:22 /mi
📊Negative Split: 3.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:0828:449:1528:44
9:15
-
10K
6.21 mi12:12:2354:598:5126:15
8:27
-0:48
15K
9.32 mi12:38:491:21:258:4426:26
8:30
+0:03
20K
12.43 mi13:04:581:47:348:3926:09
8:25
-0:05
Half
13.11 mi13:10:351:53:118:385:37
8:14
-0:11
25K
15.53 mi13:31:062:13:428:3620:31
8:28
+0:14
30K
18.64 mi13:58:142:40:508:3827:08
8:44
+0:16
20M
20.00 mi14:09:582:52:348:3811:44
8:38
-0:06
21M
21.00 mi14:18:423:01:188:388:44
8:44
+0:06
35K
21.75 mi14:24:483:07:248:376:06
8:09
-0:35
23M
23.00 mi14:34:563:17:328:3510:08
8:06
-0:03
24M
24.00 mi14:43:043:25:408:348:08
8:08
+0:02
40K
24.85 mi14:49:463:32:228:336:42
7:50
-0:18
25.2M
25.20 mi14:52:383:35:148:322:52
8:19
+0:29
Finish
26.22 mi15:00:163:42:528:307:38
7:29
-0:50

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

7:29 /mi

Average Pace

8:30 /mi

Slowest Pace

9:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:42

17% of race

Time at Steady Pace

1:47:50

48% of race

Time at Slower Pace

1:16:20

34% of race

Average Pace: 8:30 /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 mi11:46:0828:449:1528:44
9:15
#21362
10K
6.21 mi12:12:2354:598:5126:15
8:27
#19927
15K
9.32 mi12:38:491:21:258:4426:26
8:30
#19236
20K
12.43 mi13:04:581:47:348:3926:09
8:25
#18540
Half
13.11 mi13:10:351:53:118:385:37
8:14
#18406
25K
15.53 mi13:31:062:13:428:3620:31
8:28
#17994
30K
18.64 mi13:58:142:40:508:3827:08
8:44
#17530
20M
20.00 mi14:09:582:52:348:3811:44
8:38
#17286
21M
21.00 mi14:18:423:01:188:388:44
8:44
#16983
35K
21.75 mi14:24:483:07:248:376:06
8:09
#16859
23M
23.00 mi14:34:563:17:328:3510:08
8:06
#16513
24M
24.00 mi14:43:043:25:408:348:08
8:08
#16306
40K
24.85 mi14:49:463:32:228:336:42
7:50
#16047
25.2M
25.20 mi14:52:383:35:148:322:52
8:19
#15919
Finish
26.22 mi15:00:163:42:528:307:38
7:29
#15660
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21362127811278117850(Top 67%)11415(Top 75%)11415(Top 216%)
10K6.21 mi3.10 mi19927+143512180+60112180+60117914(Top 67%)11461(Top 76%)11461(Top 217%)
15K9.32 mi3.11 mi19236+69111940+24011940+24017850(Top 67%)11415(Top 75%)11415(Top 216%)
20K12.43 mi3.11 mi18540+69611691+24911691+24916338(Top 61%)10767(Top 71%)10767(Top 204%)
Half13.11 mi0.68 mi18406+13411636+5511636+5515976(Top 60%)10676(Top 70%)10676(Top 202%)
25K15.53 mi2.42 mi17994+41211442+19411442+19415964(Top 60%)10520(Top 69%)10520(Top 199%)
30K18.64 mi3.11 mi17530+46411235+20711235+20715686(Top 59%)10345(Top 68%)10345(Top 196%)
20M20.00 mi1.36 mi17286+24411118+11711118+11714474(Top 54%)9769(Top 64%)9769(Top 185%)
21M21.00 mi1.00 mi16983+30310983+13510983+13511873(Top 45%)8534(Top 56%)8534(Top 161%)
35K21.75 mi0.75 mi16859+12410929+5410929+5413138(Top 49%)9053(Top 60%)9053(Top 171%)
23M23.00 mi1.25 mi16513+34610754+17510754+17510403(Top 39%)7693(Top 51%)7693(Top 146%)
24M24.00 mi1.00 mi16306+20710653+10110653+10112145(Top 46%)8471(Top 56%)8471(Top 160%)
40K24.85 mi0.85 mi16047+25910522+13110522+1318911(Top 33%)6773(Top 45%)6773(Top 128%)
25.2M25.20 mi0.35 mi15919+12810459+6310459+638404(Top 32%)6436(Top 42%)6436(Top 122%)
Finish26.22 mi1.02 mi15660+25910353+10610353+1068494(Top 32%)6470(Top 43%)6470(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17850

Males

11415

M18-39

11415

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17914

Males

11461

M18-39

11461

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17850

Males

11415

M18-39

11415

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16338

Males

10767

M18-39

10767

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15976

Males

10676

M18-39

10676

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15964

Males

10520

M18-39

10520

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15686

Males

10345

M18-39

10345

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14474

Males

9769

M18-39

9769

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11873

Males

8534

M18-39

8534

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13138

Males

9053

M18-39

9053

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10403

Males

7693

M18-39

7693

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12145

Males

8471

M18-39

8471

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8911

Males

6773

M18-39

6773

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8404

Males

6436

M18-39

6436

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8494

Males

6470

M18-39

6470

Passing Analysis

Category:
Athletes Passed
5786
Passed By
84
Net Change
+5702
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21362
5K → 10K145823+1435#21362#19927
10K → 15K70716+691#19927#19236
15K → 20K7015+696#19236#18540
20K → Half1351+134#18540#18406
Half → 25K4197+412#18406#17994
25K → 30K48319+464#17994#17530
30K → 20M2473+244#17530#17286
20M → 21M3030+303#17286#16983
21M → 35K1273+124#16983#16859
35K → 23M3471+346#16859#16513
23M → 24M2125+207#16513#16306
24M → 40K2590+259#16306#16047
40K → 25.2M1280+128#16047#15919
25.2M → Finish2601+259#15919#15660
TOTALS578684+5702
📊

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