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BOSTON MARATHON 2023

Annie-Claude Vaillancourt

Bib: 14815•F

QC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Division (F18-39)
#0 / 4884
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:58
Rank: #11592
Start → 5K
7:43/mi
23:58 split
10K· 6.21 mi
47:31
Rank: #11332 (+260)
5K → 10K
7:35/mi
23:33 split
15K· 9.32 mi
1:11:22
Rank: #11429 (-97)
10K → 15K
7:41/mi
23:51 split
20K· 12.43 mi
1:35:29
Rank: #11374 (+55)
15K → 20K
7:46/mi
24:07 split
Half· 13.11 mi
1:40:44
Rank: #11405 (-31)
20K → Half
7:42/mi
5:15 split
25K· 15.53 mi
1:59:47
Rank: #11401 (+4)
Half → 25K
7:51/mi
19:03 split
30K· 18.64 mi
2:24:58
Rank: #11418 (-17)
25K → 30K
8:06/mi
25:11 split
20M
2:36:05
Rank: #11398 (+20)
30K → 20M
8:11/mi
11:07 split
21M
2:44:45
Rank: #11384 (+14)
20M → 21M
8:40/mi
8:40 split
35K· 21.75 mi
2:50:46
Rank: #11412 (-28)
21M → 35K
8:03/mi
6:01 split
23M
3:01:20
Rank: #11501 (-89)
35K → 23M
8:26/mi
10:34 split
24M
3:09:34
Rank: #11579 (-78)
23M → 24M
8:14/mi
8:14 split
40K· 24.85 mi
3:16:45
Rank: #11612 (-33)
24M → 40K
8:24/mi
7:11 split
25.2M
3:19:53
Rank: #11639 (-27)
40K → 25.2M
9:05/mi
3:08 split
Finish· 26.22 mi
3:28:32
Rank: #11796 (-157)
25.2M → Finish
8:29/mi
8:39 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:44
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:47:48
Pace8:13 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5723:587:4323:58
7:43
-
10K
6.21 mi11:16:3047:317:3923:33
7:35
-0:08
15K
9.32 mi11:40:211:11:227:3923:51
7:41
+0:06
20K
12.43 mi12:04:281:35:297:4124:07
7:46
+0:05
Half
13.11 mi12:09:431:40:447:415:15
7:42
-0:04
25K
15.53 mi12:28:461:59:477:4319:03
7:51
+0:09
30K
18.64 mi12:53:572:24:587:4725:11
8:06
+0:15
20M
20.00 mi13:05:042:36:057:4811:07
8:11
+0:05
21M
21.00 mi13:13:442:44:457:518:40
8:40
+0:29
35K
21.75 mi13:19:452:50:467:516:01
8:03
-0:37
23M
23.00 mi13:30:193:01:207:5310:34
8:26
+0:23
24M
24.00 mi13:38:333:09:347:548:14
8:14
-0:12
40K
24.85 mi13:45:443:16:457:557:11
8:24
+0:10
25.2M
25.20 mi13:48:523:19:537:563:08
9:05
+0:41
Finish
26.22 mi13:57:313:28:327:588:39
8:29
-0:36

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

7:35 /mi

Average Pace

7:58 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:20

82% of race

Time at Steady Pace

35:04

17% of race

Time at Slower Pace

3:08

2% of race

Average Pace: 7:57 /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 mi10:52:5723:587:4323:58
7:43
#11592
10K
6.21 mi11:16:3047:317:3923:33
7:35
#11332
15K
9.32 mi11:40:211:11:227:3923:51
7:41
#11429
20K
12.43 mi12:04:281:35:297:4124:07
7:46
#11374
Half
13.11 mi12:09:431:40:447:415:15
7:42
#11405
25K
15.53 mi12:28:461:59:477:4319:03
7:51
#11401
30K
18.64 mi12:53:572:24:587:4725:11
8:06
#11418
20M
20.00 mi13:05:042:36:057:4811:07
8:11
#11398
21M
21.00 mi13:13:442:44:457:518:40
8:40
#11384
35K
21.75 mi13:19:452:50:467:516:01
8:03
#11412
23M
23.00 mi13:30:193:01:207:5310:34
8:26
#11501
24M
24.00 mi13:38:333:09:347:548:14
8:14
#11579
40K
24.85 mi13:45:443:16:457:557:11
8:24
#11612
25.2M
25.20 mi13:48:523:19:537:563:08
9:05
#11639
Finish
26.22 mi13:57:313:28:327:588:39
8:29
#11796
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi115922638263811662(Top 44%)2713(Top 24%)2713(Top 56%)
10K6.21 mi3.10 mi11332+2602510+1282510+12811162(Top 42%)2413(Top 21%)2413(Top 49%)
15K9.32 mi3.11 mi11429-972563-532563-5311662(Top 44%)2713(Top 24%)2713(Top 56%)
20K12.43 mi3.11 mi11374+552539+242539+2411434(Top 43%)2655(Top 23%)2655(Top 54%)
Half13.11 mi0.68 mi11405-312569-302569-3011915(Top 45%)2867(Top 25%)2867(Top 59%)
25K15.53 mi2.42 mi11401+42591-222591-2211598(Top 44%)2831(Top 25%)2831(Top 58%)
30K18.64 mi3.11 mi11418-172644-532644-5311695(Top 44%)3015(Top 26%)3015(Top 62%)
20M20.00 mi1.36 mi11398+202655-112655-1111586(Top 44%)3048(Top 27%)3048(Top 62%)
21M21.00 mi1.00 mi11384+142664-92664-911481(Top 43%)3132(Top 27%)3132(Top 64%)
35K21.75 mi0.75 mi11412-282695-312695-3112442(Top 47%)3661(Top 32%)3661(Top 75%)
23M23.00 mi1.25 mi11501-892768-732768-7312857(Top 48%)3981(Top 35%)3981(Top 82%)
24M24.00 mi1.00 mi11579-782833-652833-6512839(Top 48%)4038(Top 35%)4038(Top 83%)
40K24.85 mi0.85 mi11612-332868-352868-3512725(Top 48%)4063(Top 36%)4063(Top 83%)
25.2M25.20 mi0.35 mi11639-272899-312899-3113033(Top 49%)4231(Top 37%)4231(Top 87%)
Finish26.22 mi1.02 mi11796-1573008-1093008-10915353(Top 58%)5446(Top 48%)5446(Top 112%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11662

Females

2713

F18-39

2713

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11162

Females

2413

F18-39

2413

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11662

Females

2713

F18-39

2713

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11434

Females

2655

F18-39

2655

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11915

Females

2867

F18-39

2867

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11598

Females

2831

F18-39

2831

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11695

Females

3015

F18-39

3015

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11586

Females

3048

F18-39

3048

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11481

Females

3132

F18-39

3132

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12442

Females

3661

F18-39

3661

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12857

Females

3981

F18-39

3981

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12839

Females

4038

F18-39

4038

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12725

Females

4063

F18-39

4063

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13033

Females

4231

F18-39

4231

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15353

Females

5446

F18-39

5446

Passing Analysis

Category:
Athletes Passed
1549
Passed By
1753
Net Change
-204
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11592
5K → 10K443183+260#11592#11332
10K → 15K144241-97#11332#11429
15K → 20K188133+55#11429#11374
20K → Half2455-31#11374#11405
Half → 25K114110+4#11405#11401
25K → 30K185202-17#11401#11418
30K → 20M9272+20#11418#11398
20M → 21M9783+14#11398#11384
21M → 35K4573-28#11384#11412
35K → 23M62151-89#11412#11501
23M → 24M44122-78#11501#11579
24M → 40K4982-33#11579#11612
40K → 25.2M2451-27#11612#11639
25.2M → Finish38195-157#11639#11796
TOTALS15491753-204
📊

Passing Visuals

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