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BOSTON MARATHON 2023

James White

Bib: 26563•M

MA

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

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
8:40/mi
26:55
↑ 97↓ 3451.5%
10K· 6.21 mi
7:39/mi
50:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:15:13
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:39:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:45:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:04:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:19/mi
2:30:50
↑ 181↓ 1480.2%
20M
8:30/mi
2:42:23
↑ 64↓ 500.2%
21M
9:27/mi
2:51:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:55/mi
2:58:30
↑ 17↓ 861.7%
23M
9:40/mi
3:10:36
↑ 23↓ 630.6%
24M
9:23/mi
3:19:59
↓ 821.3%
40K· 24.85 mi
9:32/mi
3:28:08
↓ 200.3%
25.2M
10:03/mi
3:31:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:21/mi
3:40:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:06
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:55:01
Pace8:46 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:0426:558:4026:55
8:40
-
10K
6.21 mi12:09:5150:428:1023:47
7:39
-1:01
15K
9.32 mi12:34:221:15:138:0424:31
7:53
+0:14
20K
12.43 mi12:59:071:39:588:0324:45
7:58
+0:05
Half
13.11 mi13:04:151:45:068:015:08
7:31
-0:27
25K
15.53 mi13:24:082:04:598:0319:53
8:12
+0:41
30K
18.64 mi13:49:592:30:508:0525:51
8:19
+0:07
20M
20.00 mi14:01:322:42:238:0711:33
8:30
+0:11
21M
21.00 mi14:10:592:51:508:119:27
9:27
+0:57
35K
21.75 mi14:17:392:58:308:126:40
8:55
-0:32
23M
23.00 mi14:29:453:10:368:1712:06
9:40
+0:45
24M
24.00 mi14:39:083:19:598:209:23
9:23
-0:17
40K
24.85 mi14:47:173:28:088:228:09
9:32
+0:09
25.2M
25.20 mi14:50:453:31:368:243:28
10:03
+0:31
Finish
26.22 mi14:59:163:40:078:248:31
8:21
-1:42

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

7:31 /mi

Average Pace

8:24 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:11

36% of race

Time at Steady Pace

1:32:43

42% of race

Time at Slower Pace

49:13

22% of race

Average Pace: 8:24 /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 mi11:46:0426:558:4026:55
8:40
#18672
10K
6.21 mi12:09:5150:428:1023:47
7:39
#15543
15K
9.32 mi12:34:221:15:138:0424:31
7:53
#14912
20K
12.43 mi12:59:071:39:588:0324:45
7:58
#14429
Half
13.11 mi13:04:151:45:068:015:08
7:31
#14239
25K
15.53 mi13:24:082:04:598:0319:53
8:12
#14250
30K
18.64 mi13:49:592:30:508:0525:51
8:19
#14043
20M
20.00 mi14:01:322:42:238:0711:33
8:30
#13996
21M
21.00 mi14:10:592:51:508:119:27
9:27
#14092
35K
21.75 mi14:17:392:58:308:126:40
8:55
#14227
23M
23.00 mi14:29:453:10:368:1712:06
9:40
#14579
24M
24.00 mi14:39:083:19:598:209:23
9:23
#14791
40K
24.85 mi14:47:173:28:088:228:09
9:32
#14942
25.2M
25.20 mi14:50:453:31:368:243:28
10:03
#14990
Finish
26.22 mi14:59:163:40:078:248:31
8:21
#14982
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18672116681166813476(Top 51%)9689(Top 64%)9689(Top 183%)
10K6.21 mi3.10 mi15543+312910527+114110527+114111859(Top 45%)9048(Top 60%)9048(Top 171%)
15K9.32 mi3.11 mi14912+63110287+24010287+24013476(Top 51%)9689(Top 64%)9689(Top 183%)
20K12.43 mi3.11 mi14429+48310080+20710080+20713178(Top 50%)9514(Top 63%)9514(Top 180%)
Half13.11 mi0.68 mi14239+1909999+819999+8110510(Top 39%)8334(Top 55%)8334(Top 158%)
25K15.53 mi2.42 mi14250-119976+239976+2314265(Top 54%)9870(Top 65%)9870(Top 187%)
30K18.64 mi3.11 mi14043+2079852+1249852+12413168(Top 49%)9297(Top 61%)9297(Top 176%)
20M20.00 mi1.36 mi13996+479813+399813+3913668(Top 51%)9423(Top 62%)9423(Top 178%)
21M21.00 mi1.00 mi14092-969828-159828-1515771(Top 59%)10247(Top 68%)10247(Top 194%)
35K21.75 mi0.75 mi14227-1359861-339861-3317566(Top 66%)10939(Top 72%)10939(Top 207%)
23M23.00 mi1.25 mi14579-3529986-1259986-12518981(Top 71%)11558(Top 76%)11558(Top 219%)
24M24.00 mi1.00 mi14791-21210043-5710043-5718825(Top 71%)11451(Top 75%)11451(Top 217%)
40K24.85 mi0.85 mi14942-15110079-3610079-3618478(Top 69%)11247(Top 74%)11247(Top 213%)
25.2M25.20 mi0.35 mi14990-4810086-710086-717692(Top 66%)10853(Top 72%)10853(Top 205%)
Finish26.22 mi1.02 mi14982+810062+2410062+2414507(Top 54%)9477(Top 62%)9477(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13476

Males

9689

M18-39

9689

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

11859

Males

9048

M18-39

9048

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13476

Males

9689

M18-39

9689

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

13178

Males

9514

M18-39

9514

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10510

Males

8334

M18-39

8334

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14265

Males

9870

M18-39

9870

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13168

Males

9297

M18-39

9297

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

13668

Males

9423

M18-39

9423

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15771

Males

10247

M18-39

10247

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

17566

Males

10939

M18-39

10939

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18981

Males

11558

M18-39

11558

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18825

Males

11451

M18-39

11451

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18478

Males

11247

M18-39

11247

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17692

Males

10853

M18-39

10853

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14507

Males

9477

M18-39

9477

Passing Analysis

Category:
Athletes Passed
5275
Passed By
1585
Net Change
+3690
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18672
5K → 10K31367+3129#18672#15543
10K → 15K65524+631#15543#14912
15K → 20K50623+483#14912#14429
20K → Half1900+190#14429#14239
Half → 25K138149-11#14239#14250
25K → 30K29184+207#14250#14043
30K → 20M12174+47#14043#13996
20M → 21M57153-96#13996#14092
21M → 35K19154-135#14092#14227
35K → 23M21373-352#14227#14579
23M → 24M27239-212#14579#14791
24M → 40K30181-151#14791#14942
40K → 25.2M1866-48#14942#14990
25.2M → Finish6658+8#14990#14982
TOTALS52751585+3690
📊

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