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BOSTON MARATHON 2023

Maggie Kelly

Bib: 25469•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:11
Rank: #24381
Start → 5K
32:11 | 10:22/mi
10K· 6.21 mi
1:01:32
Rank: #23398 (+983)
5K → 10K
29:21 | 9:27/mi
15K· 9.32 mi
1:30:27
Rank: #22895 (+503)
10K → 15K
28:55 | 9:18/mi
20K· 12.43 mi
1:59:41
Rank: #22496 (+399)
15K → 20K
29:14 | 9:25/mi
Half· 13.11 mi
2:06:06
Rank: #22464 (+32)
20K → Half
6:25 | 9:24/mi
25K· 15.53 mi
2:29:52
Rank: #22339 (+125)
Half → 25K
23:46 | 9:48/mi
30K· 18.64 mi
3:02:12
Rank: #22289 (+50)
25K → 30K
32:20 | 10:24/mi
20M
3:16:57
Rank: #22280 (+9)
30K → 20M
14:45 | 10:51/mi
21M
3:28:32
Rank: #22248 (+32)
20M → 21M
11:35 | 11:35/mi
35K· 21.75 mi
3:36:53
Rank: #22307 (-59)
21M → 35K
8:21 | 11:10/mi
23M
3:54:08
Rank: #22657 (-350)
35K → 23M
17:15 | 13:47/mi
24M
4:05:18
Rank: #22684 (-27)
23M → 24M
11:10 | 11:10/mi
40K· 24.85 mi
4:15:11
Rank: #22718 (-34)
24M → 40K
9:53 | 11:34/mi
25.2M
4:19:54
Rank: #22765 (-47)
40K → 25.2M
4:43 | 13:41/mi
Finish· 26.22 mi
4:30:33
Rank: #22773 (-8)
25.2M → Finish
10:39 | 10:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:06
Pace9:37 /mi
2nd Half
Distance13.11 mi
Time2:24:27
Pace11:01 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2832:1110:2232:11
10:22
-
10K
6.21 mi12:19:491:01:329:5429:21
9:27
-0:55
15K
9.32 mi12:48:441:30:279:4228:55
9:18
-0:09
20K
12.43 mi13:17:581:59:419:3829:14
9:25
+0:07
Half
13.11 mi13:24:232:06:069:376:25
9:24
-0:01
25K
15.53 mi13:48:092:29:529:3923:46
9:48
+0:24
30K
18.64 mi14:20:293:02:129:4632:20
10:24
+0:36
20M
20.00 mi14:35:143:16:579:5114:45
10:51
+0:27
21M
21.00 mi14:46:493:28:329:5611:35
11:35
+0:44
35K
21.75 mi14:55:103:36:539:588:21
11:10
-0:25
23M
23.00 mi15:12:253:54:0810:1117:15
13:47
+2:37
24M
24.00 mi15:23:354:05:1810:1311:10
11:10
-2:37
40K
24.85 mi15:33:284:15:1110:169:53
11:34
+0:24
25.2M
25.20 mi15:38:114:19:5410:194:43
13:41
+2:07
Finish
26.22 mi15:48:504:30:3310:2010:39
10:27
-3:14

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

9:18 /mi

Average Pace

10:20 /mi

Slowest Pace

13:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:55

35% of race

Time at Steady Pace

1:53:41

42% of race

Time at Slower Pace

1:02:57

23% of race

Average Pace: 10:19 /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 mi11:50:2832:1110:2232:11
10:22
#24381
10K
6.21 mi12:19:491:01:329:5429:21
9:27
#23398
15K
9.32 mi12:48:441:30:279:4228:55
9:18
#22895
20K
12.43 mi13:17:581:59:419:3829:14
9:25
#22496
Half
13.11 mi13:24:232:06:069:376:25
9:24
#22464
25K
15.53 mi13:48:092:29:529:3923:46
9:48
#22339
30K
18.64 mi14:20:293:02:129:4632:20
10:24
#22289
20M
20.00 mi14:35:143:16:579:5114:45
10:51
#22280
21M
21.00 mi14:46:493:28:329:5611:35
11:35
#22248
35K
21.75 mi14:55:103:36:539:588:21
11:10
#22307
23M
23.00 mi15:12:253:54:0810:1117:15
13:47
#22657
24M
24.00 mi15:23:354:05:1810:1311:10
11:10
#22684
40K
24.85 mi15:33:284:15:1110:169:53
11:34
#22718
25.2M
25.20 mi15:38:114:19:5410:194:43
13:41
#22765
Finish
26.22 mi15:48:504:30:3310:2010:39
10:27
#22773
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24381100841008421674(Top 81%)8602(Top 75%)8602(Top 176%)
10K6.21 mi3.10 mi23398+9839570+5149570+51422361(Top 84%)9014(Top 79%)9014(Top 185%)
15K9.32 mi3.11 mi22895+5039291+2799291+27921674(Top 81%)8602(Top 75%)8602(Top 176%)
20K12.43 mi3.11 mi22496+3999085+2069085+20621274(Top 80%)8389(Top 73%)8389(Top 172%)
Half13.11 mi0.68 mi22464+329068+179068+1721859(Top 82%)8720(Top 76%)8720(Top 179%)
25K15.53 mi2.42 mi22339+1259023+459023+4521752(Top 82%)8706(Top 76%)8706(Top 178%)
30K18.64 mi3.11 mi22289+509001+229001+2222021(Top 83%)8920(Top 78%)8920(Top 183%)
20M20.00 mi1.36 mi22280+99000+19000+122438(Top 84%)9219(Top 81%)9219(Top 189%)
21M21.00 mi1.00 mi22248+328999+18999+122033(Top 83%)9010(Top 79%)9010(Top 184%)
35K21.75 mi0.75 mi22307-599042-439042-4323590(Top 89%)9929(Top 87%)9929(Top 203%)
23M23.00 mi1.25 mi22657-3509240-1989240-19825681(Top 96%)10993(Top 96%)10993(Top 225%)
24M24.00 mi1.00 mi22684-279265-259265-2523347(Top 88%)9824(Top 86%)9824(Top 201%)
40K24.85 mi0.85 mi22718-349290-259290-2523303(Top 88%)9825(Top 86%)9825(Top 201%)
25.2M25.20 mi0.35 mi22765-479318-289318-2824708(Top 93%)10538(Top 92%)10538(Top 216%)
Finish26.22 mi1.02 mi22773-89327-99327-922914(Top 86%)9611(Top 84%)9611(Top 197%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21674

Females

8602

F18-39

8602

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22361

Females

9014

F18-39

9014

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21674

Females

8602

F18-39

8602

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21274

Females

8389

F18-39

8389

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21859

Females

8720

F18-39

8720

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21752

Females

8706

F18-39

8706

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

22021

Females

8920

F18-39

8920

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22438

Females

9219

F18-39

9219

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22033

Females

9010

F18-39

9010

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

23590

Females

9929

F18-39

9929

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

25681

Females

10993

F18-39

10993

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

23347

Females

9824

F18-39

9824

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23303

Females

9825

F18-39

9825

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24708

Females

10538

F18-39

10538

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

22914

Females

9611

F18-39

9611

Passing Analysis

Category:
Athletes Passed
2526
Passed By
918
Net Change
+1608
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24381
5K → 10K99714+983#24381#23398
10K → 15K5129+503#23398#22895
15K → 20K41314+399#22895#22496
20K → Half4311+32#22496#22464
Half → 25K16641+125#22464#22339
25K → 30K14595+50#22339#22289
30K → 20M6556+9#22289#22280
20M → 21M7240+32#22280#22248
21M → 35K1574-59#22248#22307
35K → 23M11361-350#22307#22657
23M → 24M2754-27#22657#22684
24M → 40K2256-34#22684#22718
40K → 25.2M653-47#22718#22765
25.2M → Finish3240-8#22765#22773
TOTALS2526918+1608
📊

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