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BOSTON MARATHON 2023

Alexis Bolner

Bib: 25478•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 34%
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
26:36
Rank: #17976
Start → 5K
26:36 | 8:34/mi
10K· 6.21 mi
51:26
Rank: #16344 (+1632)
5K → 10K
24:50 | 8:00/mi
15K· 9.32 mi
1:16:01
Rank: #15515 (+829)
10K → 15K
24:35 | 7:55/mi
20K· 12.43 mi
1:40:44
Rank: #14902 (+613)
15K → 20K
24:43 | 7:57/mi
Half· 13.11 mi
1:46:03
Rank: #14804 (+98)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:05:47
Rank: #14633 (+171)
Half → 25K
19:44 | 8:08/mi
30K· 18.64 mi
2:31:24
Rank: #14266 (+367)
25K → 30K
25:37 | 8:15/mi
20M
2:42:46
Rank: #14147 (+119)
30K → 20M
11:22 | 8:22/mi
21M
2:51:32
Rank: #13978 (+169)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
2:57:25
Rank: #13858 (+120)
21M → 35K
5:53 | 7:52/mi
23M
3:07:43
Rank: #13679 (+179)
35K → 23M
10:18 | 8:14/mi
24M
3:15:54
Rank: #13605 (+74)
23M → 24M
8:11 | 8:11/mi
40K· 24.85 mi
3:22:54
Rank: #13479 (+126)
24M → 40K
7:00 | 8:11/mi
25.2M
3:25:46
Rank: #13371 (+108)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:33:35
Rank: #13218 (+153)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:03
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:47:32
Pace8:12 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:0326:368:3426:36
8:34
-
10K
6.21 mi12:06:5351:268:1724:50
8:00
-0:34
15K
9.32 mi12:31:281:16:018:0924:35
7:55
-0:05
20K
12.43 mi12:56:111:40:448:0624:43
7:57
+0:02
Half
13.11 mi13:01:301:46:038:055:19
7:48
-0:09
25K
15.53 mi13:21:142:05:478:0619:44
8:08
+0:20
30K
18.64 mi13:46:512:31:248:0725:37
8:15
+0:07
20M
20.00 mi13:58:132:42:468:0811:22
8:22
+0:07
21M
21.00 mi14:06:592:51:328:108:46
8:46
+0:24
35K
21.75 mi14:12:522:57:258:095:53
7:52
-0:54
23M
23.00 mi14:23:103:07:438:1010:18
8:14
+0:22
24M
24.00 mi14:31:213:15:548:108:11
8:11
-0:03
40K
24.85 mi14:38:213:22:548:107:00
8:11
0:00
25.2M
25.20 mi14:41:133:25:468:102:52
8:19
+0:08
Finish
26.22 mi14:49:023:33:358:097:49
7:40
-0:39

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

7:40 /mi

Average Pace

8:09 /mi

Slowest Pace

8:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:13

83% of race

Time at Steady Pace

35:22

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi11:42:0326:368:3426:36
8:34
#17976
10K
6.21 mi12:06:5351:268:1724:50
8:00
#16344
15K
9.32 mi12:31:281:16:018:0924:35
7:55
#15515
20K
12.43 mi12:56:111:40:448:0624:43
7:57
#14902
Half
13.11 mi13:01:301:46:038:055:19
7:48
#14804
25K
15.53 mi13:21:142:05:478:0619:44
8:08
#14633
30K
18.64 mi13:46:512:31:248:0725:37
8:15
#14266
20M
20.00 mi13:58:132:42:468:0811:22
8:22
#14147
21M
21.00 mi14:06:592:51:328:108:46
8:46
#13978
35K
21.75 mi14:12:522:57:258:095:53
7:52
#13858
23M
23.00 mi14:23:103:07:438:1010:18
8:14
#13679
24M
24.00 mi14:31:213:15:548:108:11
8:11
#13605
40K
24.85 mi14:38:213:22:548:107:00
8:11
#13479
25.2M
25.20 mi14:41:133:25:468:102:52
8:19
#13371
Finish
26.22 mi14:49:023:33:358:097:49
7:40
#13218
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi179766537653713684(Top 51%)3890(Top 34%)3890(Top 80%)
10K6.21 mi3.10 mi16344+16325487+10505487+105014764(Top 55%)4517(Top 40%)4517(Top 92%)
15K9.32 mi3.11 mi15515+8294985+5024985+50213684(Top 51%)3890(Top 34%)3890(Top 80%)
20K12.43 mi3.11 mi14902+6134619+3664619+36613085(Top 49%)3592(Top 31%)3592(Top 74%)
Half13.11 mi0.68 mi14804+984558+614558+6112749(Top 48%)3355(Top 29%)3355(Top 69%)
25K15.53 mi2.42 mi14633+1714486+724486+7213802(Top 52%)4095(Top 36%)4095(Top 84%)
30K18.64 mi3.11 mi14266+3674308+1784308+17812660(Top 48%)3564(Top 31%)3564(Top 73%)
20M20.00 mi1.36 mi14147+1194258+504258+5012805(Top 48%)3746(Top 33%)3746(Top 77%)
21M21.00 mi1.00 mi13978+1694170+884170+8812098(Top 45%)3460(Top 30%)3460(Top 71%)
35K21.75 mi0.75 mi13858+1204107+634107+6311198(Top 42%)2985(Top 26%)2985(Top 61%)
23M23.00 mi1.25 mi13679+1794026+814026+8111406(Top 43%)3221(Top 28%)3221(Top 66%)
24M24.00 mi1.00 mi13605+744003+234003+2312509(Top 47%)3864(Top 34%)3864(Top 79%)
40K24.85 mi0.85 mi13479+1263947+563947+5611310(Top 42%)3319(Top 29%)3319(Top 68%)
25.2M25.20 mi0.35 mi13371+1083892+553892+558517(Top 32%)2068(Top 18%)2068(Top 42%)
Finish26.22 mi1.02 mi13218+1533829+633829+639824(Top 37%)2629(Top 23%)2629(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13684

Females

3890

F18-39

3890

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14764

Females

4517

F18-39

4517

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13684

Females

3890

F18-39

3890

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13085

Females

3592

F18-39

3592

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12749

Females

3355

F18-39

3355

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13802

Females

4095

F18-39

4095

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12660

Females

3564

F18-39

3564

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12805

Females

3746

F18-39

3746

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12098

Females

3460

F18-39

3460

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11198

Females

2985

F18-39

2985

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

11406

Females

3221

F18-39

3221

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

12509

Females

3864

F18-39

3864

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11310

Females

3319

F18-39

3319

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8517

Females

2068

F18-39

2068

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9824

Females

2629

F18-39

2629

Passing Analysis

Category:
Athletes Passed
5044
Passed By
286
Net Change
+4758
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17976
5K → 10K166533+1632#17976#16344
10K → 15K84718+829#16344#15515
15K → 20K62310+613#15515#14902
20K → Half1024+98#14902#14804
Half → 25K22554+171#14804#14633
25K → 30K39326+367#14633#14266
30K → 20M15132+119#14266#14147
20M → 21M18516+169#14147#13978
21M → 35K1299+120#13978#13858
35K → 23M19415+179#13858#13679
23M → 24M10733+74#13679#13605
24M → 40K14014+126#13605#13479
40K → 25.2M1113+108#13479#13371
25.2M → Finish17219+153#13371#13218
TOTALS5044286+4758
📊

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