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BOSTON MARATHON 2023

Claire Reid

Bib: 10091•F

WI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 12%
Gender (Female)
#0 / 11423
Top 2%
Division (F18-39)
#0 / 4884
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:49
Rank: #3690
Start → 5K
20:49 | 6:42/mi
10K· 6.21 mi
41:27
Rank: #3711 (-21)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:01:56
Rank: #3518 (+193)
10K → 15K
20:29 | 6:36/mi
20K· 12.43 mi
1:22:44
Rank: #3517 (+1)
15K → 20K
20:48 | 6:42/mi
Half· 13.11 mi
1:27:17
Rank: #3522 (-5)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:32
Rank: #3472 (+50)
Half → 25K
16:15 | 6:42/mi
30K· 18.64 mi
2:04:58
Rank: #3470 (+2)
25K → 30K
21:26 | 6:54/mi
20M
2:14:17
Rank: #3412 (+58)
30K → 20M
9:19 | 6:51/mi
21M
2:21:28
Rank: #3338 (+74)
20M → 21M
7:11 | 7:11/mi
35K· 21.75 mi
2:26:36
Rank: #3368 (-30)
21M → 35K
5:08 | 6:52/mi
23M
2:35:22
Rank: #3366 (+2)
35K → 23M
8:46 | 7:00/mi
24M
2:42:13
Rank: #3392 (-26)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:48:06
Rank: #3373 (+19)
24M → 40K
5:53 | 6:53/mi
25.2M
2:50:38
Rank: #3345 (+28)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:57:29
Rank: #3325 (+20)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:17
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:30:12
Pace6:53 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4720:496:4220:49
6:42
-
10K
6.21 mi11:07:2541:276:4020:38
6:38
-0:04
15K
9.32 mi11:27:541:01:566:3920:29
6:36
-0:02
20K
12.43 mi11:48:421:22:446:3920:48
6:42
+0:06
Half
13.11 mi11:53:151:27:176:394:33
6:40
-0:02
25K
15.53 mi12:09:301:43:326:4016:15
6:42
+0:02
30K
18.64 mi12:30:562:04:586:4221:26
6:54
+0:12
20M
20.00 mi12:40:152:14:176:439:19
6:51
-0:03
21M
21.00 mi12:47:262:21:286:447:11
7:11
+0:20
35K
21.75 mi12:52:342:26:366:445:08
6:52
-0:19
23M
23.00 mi13:01:202:35:226:458:46
7:00
+0:08
24M
24.00 mi13:08:112:42:136:466:51
6:51
-0:09
40K
24.85 mi13:14:042:48:066:465:53
6:53
+0:02
25.2M
25.20 mi13:16:362:50:386:462:32
7:21
+0:28
Finish
26.22 mi13:23:272:57:296:466:51
6:43
-0:38

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

6:36 /mi

Average Pace

6:46 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:57

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:46:4720:496:4220:49
6:42
#3690
10K
6.21 mi11:07:2541:276:4020:38
6:38
#3711
15K
9.32 mi11:27:541:01:566:3920:29
6:36
#3518
20K
12.43 mi11:48:421:22:446:3920:48
6:42
#3517
Half
13.11 mi11:53:151:27:176:394:33
6:40
#3522
25K
15.53 mi12:09:301:43:326:4016:15
6:42
#3472
30K
18.64 mi12:30:562:04:586:4221:26
6:54
#3470
20M
20.00 mi12:40:152:14:176:439:19
6:51
#3412
21M
21.00 mi12:47:262:21:286:447:11
7:11
#3338
35K
21.75 mi12:52:342:26:366:445:08
6:52
#3368
23M
23.00 mi13:01:202:35:226:458:46
7:00
#3366
24M
24.00 mi13:08:112:42:136:466:51
6:51
#3392
40K
24.85 mi13:14:042:48:066:465:53
6:53
#3373
25.2M
25.20 mi13:16:362:50:386:462:32
7:21
#3345
Finish
26.22 mi13:23:272:57:296:466:51
6:43
#3325
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi36902142143254(Top 12%)161(Top 1%)161(Top 3%)
10K6.21 mi3.10 mi3711-21207+7207+73833(Top 14%)213(Top 2%)213(Top 4%)
15K9.32 mi3.11 mi3518+193185+22185+223254(Top 12%)161(Top 1%)161(Top 3%)
20K12.43 mi3.11 mi3517+1181+4181+43558(Top 13%)189(Top 2%)189(Top 4%)
Half13.11 mi0.68 mi3522-5182-1182-14137(Top 16%)253(Top 2%)253(Top 5%)
25K15.53 mi2.42 mi3472+50173+9173+93388(Top 13%)172(Top 2%)172(Top 4%)
30K18.64 mi3.11 mi3470+2181-8181-83663(Top 14%)221(Top 2%)221(Top 5%)
20M20.00 mi1.36 mi3412+58178+3178+33188(Top 12%)195(Top 2%)195(Top 4%)
21M21.00 mi1.00 mi3338+74174+4174+43041(Top 11%)189(Top 2%)189(Top 4%)
35K21.75 mi0.75 mi3368-30177-3177-34599(Top 17%)406(Top 4%)406(Top 8%)
23M23.00 mi1.25 mi3366+2176+1176+13824(Top 14%)292(Top 3%)292(Top 6%)
24M24.00 mi1.00 mi3392-26181-5181-53960(Top 15%)340(Top 3%)340(Top 7%)
40K24.85 mi0.85 mi3373+19182-1182-13264(Top 12%)272(Top 2%)272(Top 6%)
25.2M25.20 mi0.35 mi3345+28181+1181+13250(Top 12%)280(Top 2%)280(Top 6%)
Finish26.22 mi1.02 mi3325+201811813664(Top 14%)388(Top 3%)388(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3254

Females

161

F18-39

161

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3833

Females

213

F18-39

213

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3254

Females

161

F18-39

161

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3558

Females

189

F18-39

189

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4137

Females

253

F18-39

253

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3388

Females

172

F18-39

172

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3663

Females

221

F18-39

221

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3188

Females

195

F18-39

195

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3041

Females

189

F18-39

189

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4599

Females

406

F18-39

406

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3824

Females

292

F18-39

292

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3960

Females

340

F18-39

340

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3264

Females

272

F18-39

272

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3250

Females

280

F18-39

280

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3664

Females

388

F18-39

388

Passing Analysis

Category:
Athletes Passed
1158
Passed By
793
Net Change
+365
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3690
5K → 10K199220-21#3690#3711
10K → 15K22734+193#3711#3518
15K → 20K8281+1#3518#3517
20K → Half1116-5#3517#3522
Half → 25K9949+50#3522#3472
25K → 30K109107+2#3472#3470
30K → 20M8224+58#3470#3412
20M → 21M10228+74#3412#3338
21M → 35K1646-30#3338#3368
35K → 23M5351+2#3368#3366
23M → 24M3359-26#3366#3392
24M → 40K4627+19#3392#3373
40K → 25.2M368+28#3373#3345
25.2M → Finish6343+20#3345#3325
TOTALS1158793+365
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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