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BOSTON MARATHON 2023

Elward Crawford

CO

Bib: 15883 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M75-79)
#0 / 49
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
10:45/mi
33:24
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:47/mi
1:06:54
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
11:12/mi
1:41:41
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
13:01/mi
2:22:07
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
11:45/mi
2:30:08
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
12:17/mi
2:59:56
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:56/mi
3:40:08
↑ 181↓ 1480.2%
138 ft elev
20M
13:36/mi
3:58:37
↑ 64↓ 500.2%
148 ft elev
21M
15:00/mi
4:13:37
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
13:09/mi
4:23:27
↑ 17↓ 861.7%
156 ft elev
23M
14:19/mi
4:41:22
↑ 23↓ 630.6%
116 ft elev
24M
12:28/mi
4:53:50
↓ 821.3%
34 ft elev
40K· 24.85 mi
13:18/mi
5:05:12
↓ 200.3%
20 ft elev
25.2M
15:37/mi
5:10:35
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
14:02/mi
5:24:53
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:30:0811:27 /mi⚡ faster
2nd Half
2:54:4513:20 /mi+16.4%
Positive split — 16.4% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:03:1333:2410:4533:24
10:45
-
10K
6.21 mi11:36:431:06:5410:4633:30
10:47
+0:02
15K
9.32 mi12:11:301:41:4110:5534:47
11:12
+0:25
20K
12.43 mi12:51:562:22:0711:2640:26
13:01
+1:49
Half
13.11 mi12:59:572:30:0811:278:01
11:45
-1:16
25K
15.53 mi13:29:452:59:5611:3529:48
12:17
+0:32
30K
18.64 mi14:09:573:40:0811:4940:12
12:56
+0:39
20M
20.00 mi14:28:263:58:3711:5618:29
13:36
+0:40
21M
21.00 mi14:43:264:13:3712:0515:00
15:00
+1:24
35K
21.75 mi14:53:164:23:2712:079:50
13:09
-1:51
23M
23.00 mi15:11:114:41:2212:1417:55
14:19
+1:10
24M
24.00 mi15:23:394:53:5012:1512:28
12:28
-1:51
40K
24.85 mi15:35:015:05:1212:1711:22
13:18
+0:50
25.2M
25.20 mi15:40:245:10:3512:195:23
15:37
+2:19
Finish
26.22 mi15:54:425:24:5312:2414:18
14:02
-1:35

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

10:45 /mi

Average Pace

12:24 /mi

Slowest Pace

15:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:19:30

43% of race

Time at Steady Pace

2:12:47

41% of race

Time at Slower Pace

52:36

16% of race

Average Pace: 12:23 /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 mi11:03:1333:2410:4533:24
10:45
#25280
10K
6.21 mi11:36:431:06:5410:4633:30
10:47
#25195
15K
9.32 mi12:11:301:41:4110:5534:47
11:12
#25318
20K
12.43 mi12:51:562:22:0711:2640:26
13:01
#25737
Half
13.11 mi12:59:572:30:0811:278:01
11:45
#25733
25K
15.53 mi13:29:452:59:5611:3529:48
12:17
#25682
30K
18.64 mi14:09:573:40:0811:4940:12
12:56
#25646
20M
20.00 mi14:28:263:58:3711:5618:29
13:36
#25650
21M
21.00 mi14:43:264:13:3712:0515:00
15:00
#25659
35K
21.75 mi14:53:164:23:2712:079:50
13:09
#25662
23M
23.00 mi15:11:114:41:2212:1417:55
14:19
#25712
24M
24.00 mi15:23:394:53:5012:1512:28
12:28
#25696
40K
24.85 mi15:35:015:05:1212:1711:22
13:18
#25682
25.2M
25.20 mi15:40:245:10:3512:195:23
15:37
#25689
Finish
26.22 mi15:54:425:24:5312:2414:18
14:02
#25750
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM75-79Seg. OverallSeg. MalesSeg. M75-79
5K3.11 mi3.11 mi252801465914659254091469814698
10K6.21 mi3.10 mi25195+8514632+2714632+27251401460114601
15K9.32 mi3.11 mi25318-12314672-4014672-40254091469814698
20K12.43 mi3.11 mi25737-41914821-14914821-149262281501715017
Half13.11 mi0.68 mi25733+414819+214819+2256881477114771
25K15.53 mi2.42 mi25682+5114795+2414795+24253741463314633
30K18.64 mi3.11 mi25646+3614770+2514770+25253621457214572
20M20.00 mi1.36 mi25650-414771-114771-1256061467114671
21M21.00 mi1.00 mi25659-91477114771257201473614736
35K21.75 mi0.75 mi25662-314767+414767+4256691466814668
23M23.00 mi1.25 mi25712-5014783-1614783-16260071484314843
24M24.00 mi1.00 mi25696+1614773+1014773+10250331431114311
40K24.85 mi0.85 mi25682+1414765+814765+8251891439614396
25.2M25.20 mi0.35 mi25689-714768-314768-3259801479714797
Finish26.22 mi1.02 mi25750-6114786-1814786-18263601500315003

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

25409

Males

14698

M75-79

14698

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

25140

Males

14601

M75-79

14601

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

25409

Males

14698

M75-79

14698

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

26228

Males

15017

M75-79

15017

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25688

Males

14771

M75-79

14771

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25374

Males

14633

M75-79

14633

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

25362

Males

14572

M75-79

14572

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

25606

Males

14671

M75-79

14671

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

25720

Males

14736

M75-79

14736

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

25669

Males

14668

M75-79

14668

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

26007

Males

14843

M75-79

14843

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

25033

Males

14311

M75-79

14311

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25189

Males

14396

M75-79

14396

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

25980

Males

14797

M75-79

14797

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

26360

Males

15003

M75-79

15003

Passing Analysis

Category:
Athletes Passed
568
Passed By
1038
Net Change
-470
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25280
5K → 10K205120+85#25280#25195
10K → 15K63186-123#25195#25318
15K → 20K13432-419#25318#25737
20K → Half128+4#25737#25733
Half → 25K8534+51#25733#25682
25K → 30K8044+36#25682#25646
30K → 20M2630-4#25646#25650
20M → 21M1221-9#25650#25659
21M → 35K1518-3#25659#25662
35K → 23M1161-50#25662#25712
23M → 24M226+16#25712#25696
24M → 40K195+14#25696#25682
40K → 25.2M29-7#25682#25689
25.2M → Finish364-61#25689#25750
TOTALS5681038-470

Passing Charts

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