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BOSTON MARATHON 2023

Frank Webb

NC

Bib: 12297 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 43%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 47%
Division (M50-54)
#0 / 2052
Top 50%
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
7:29/mi
23:14
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:23/mi
46:11
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:30/mi
1:09:30
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:45/mi
1:33:35
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:43/mi
1:38:51
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:57/mi
1:58:07
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:18/mi
2:23:54
↑ 181↓ 1480.2%
138 ft elev
20M
8:18/mi
2:35:11
↑ 64↓ 500.2%
148 ft elev
21M
8:41/mi
2:43:52
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:12/mi
2:50:00
↑ 17↓ 861.7%
156 ft elev
23M
8:26/mi
3:00:33
↑ 23↓ 630.6%
116 ft elev
24M
8:15/mi
3:08:48
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:19/mi
3:15:55
↓ 200.3%
20 ft elev
25.2M
8:54/mi
3:18:59
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:07/mi
3:27:15
↑ 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
1:38:517:32 /mi⚡ faster
2nd Half
1:48:248:16 /mi+9.7%
Positive split — 9.7% 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 mi10:50:3223:147:2923:14
7:29
-
10K
6.21 mi11:13:2946:117:2622:57
7:23
-0:06
15K
9.32 mi11:36:481:09:307:2723:19
7:30
+0:07
20K
12.43 mi12:00:531:33:357:3224:05
7:45
+0:15
Half
13.11 mi12:06:091:38:517:325:16
7:43
-0:02
25K
15.53 mi12:25:251:58:077:3619:16
7:57
+0:14
30K
18.64 mi12:51:122:23:547:4325:47
8:18
+0:21
20M
20.00 mi13:02:292:35:117:4611:17
8:18
0:00
21M
21.00 mi13:11:102:43:527:488:41
8:41
+0:23
35K
21.75 mi13:17:182:50:007:496:08
8:12
-0:29
23M
23.00 mi13:27:513:00:337:5110:33
8:26
+0:14
24M
24.00 mi13:36:063:08:487:528:15
8:15
-0:11
40K
24.85 mi13:43:133:15:557:537:07
8:19
+0:04
25.2M
25.20 mi13:46:173:18:597:543:04
8:54
+0:35
Finish
26.22 mi13:54:333:27:157:558:16
8:07
-0:47

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

7:23 /mi

Average Pace

7:55 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:58:07

57% of race

Time at Steady Pace

1:06:50

32% of race

Time at Slower Pace

22:18

11% 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 mi10:50:3223:147:2923:14
7:29
#9439
10K
6.21 mi11:13:2946:117:2622:57
7:23
#9439
15K
9.32 mi11:36:481:09:307:2723:19
7:30
#9665
20K
12.43 mi12:00:531:33:357:3224:05
7:45
#10091
Half
13.11 mi12:06:091:38:517:325:16
7:43
#10201
25K
15.53 mi12:25:251:58:077:3619:16
7:57
#10504
30K
18.64 mi12:51:122:23:547:4325:47
8:18
#10919
20M
20.00 mi13:02:292:35:117:4611:17
8:18
#11009
21M
21.00 mi13:11:102:43:527:488:41
8:41
#11031
35K
21.75 mi13:17:182:50:007:496:08
8:12
#11120
23M
23.00 mi13:27:513:00:337:5110:33
8:26
#11208
24M
24.00 mi13:36:063:08:487:528:15
8:15
#11297
40K
24.85 mi13:43:133:15:557:537:07
8:19
#11323
25.2M
25.20 mi13:46:173:18:597:543:04
8:54
#11329
Finish
26.22 mi13:54:333:27:157:558:16
8:07
#11375
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9439783878381021182598259
10K6.21 mi3.10 mi94397843-57843-5949478667866
15K9.32 mi3.11 mi9665-2267962-1197962-1191021182598259
20K12.43 mi3.11 mi10091-4268200-2388200-2381130887138713
Half13.11 mi0.68 mi10201-1108258-588258-581198090579057
25K15.53 mi2.42 mi10504-3038393-1358393-1351225790089008
30K18.64 mi3.11 mi10919-4158546-1538546-1531301692309230
20M20.00 mi1.36 mi11009-908557-118557-111236488478847
21M21.00 mi1.00 mi11031-228538+198538+191154783668366
35K21.75 mi0.75 mi11120-898574-368574-361336091359135
23M23.00 mi1.25 mi11208-888584-108584-101272987878787
24M24.00 mi1.00 mi11297-898606-228606-221290787998799
40K24.85 mi0.85 mi11323-268593+138593+131218383938393
25.2M25.20 mi0.35 mi11329-68584+98584+91182881718171
Finish26.22 mi1.02 mi11375-468578+68578+61283286868686

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10211

Males

8259

M50-54

8259

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9494

Males

7866

M50-54

7866

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10211

Males

8259

M50-54

8259

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11308

Males

8713

M50-54

8713

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11980

Males

9057

M50-54

9057

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12257

Males

9008

M50-54

9008

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13016

Males

9230

M50-54

9230

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12364

Males

8847

M50-54

8847

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11547

Males

8366

M50-54

8366

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13360

Males

9135

M50-54

9135

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12729

Males

8787

M50-54

8787

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12907

Males

8799

M50-54

8799

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12183

Males

8393

M50-54

8393

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11828

Males

8171

M50-54

8171

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12832

Males

8686

M50-54

8686

Passing Analysis

Category:
Athletes Passed
973*
Passed By
2908
Net Change
-1936
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9439
5K → 10K2782780#9439#9439
10K → 15K92318-226#9439#9665
15K → 20K60485-426#9665#10091
20K → Half9119-110#10091#10201
Half → 25K59362-303#10201#10504
25K → 30K76491-415#10504#10919
30K → 20M58*148-90#10919#11009
20M → 21M6991-22#11009#11031
21M → 35K23112-89#11031#11120
35K → 23M62150-88#11120#11208
23M → 24M42131-89#11208#11297
24M → 40K5783-26#11297#11323
40K → 25.2M3036-6#11323#11329
25.2M → Finish58104-46#11329#11375
TOTALS973*2908-1936

* Includes athletes who did not complete a segment (DNF/DNQ).

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