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BOSTON MARATHON 2023

Alban Foulser

Bib: 15109•F

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0:00
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 16%
Division (F18-39)
#0 / 4884
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:38/mi
23:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
47:14
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:10:56
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:34:32
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:39:39
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:57:49
↑ 66↓ 880.2%
30K· 18.64 mi
7:44/mi
2:21:50
↑ 181↓ 1480.2%
20M
7:45/mi
2:32:22
↑ 64↓ 500.2%
21M
8:16/mi
2:40:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:46:14
↑ 17↓ 861.7%
23M
7:45/mi
2:55:56
↑ 23↓ 630.6%
24M
7:30/mi
3:03:26
↓ 821.3%
40K· 24.85 mi
7:41/mi
3:10:00
↓ 200.3%
25.2M
8:27/mi
3:12:55
↑ 13↓ 160.2%
Finish· 26.22 mi
7:49/mi
3:20:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:39
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:41:14
Pace7:43 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2423:447:3823:44
7:38
-
10K
6.21 mi11:17:5447:147:3623:30
7:34
-0:04
15K
9.32 mi11:41:361:10:567:3723:42
7:38
+0:04
20K
12.43 mi12:05:121:34:327:3623:36
7:36
-0:02
Half
13.11 mi12:10:191:39:397:365:07
7:30
-0:06
25K
15.53 mi12:28:291:57:497:3518:10
7:30
0:00
30K
18.64 mi12:52:302:21:507:3724:01
7:44
+0:14
20M
20.00 mi13:03:022:32:227:3710:32
7:45
+0:01
21M
21.00 mi13:11:182:40:387:398:16
8:16
+0:31
35K
21.75 mi13:16:542:46:147:395:36
7:29
-0:47
23M
23.00 mi13:26:362:55:567:399:42
7:45
+0:16
24M
24.00 mi13:34:063:03:267:397:30
7:30
-0:15
40K
24.85 mi13:40:403:10:007:396:34
7:41
+0:11
25.2M
25.20 mi13:43:353:12:557:392:55
8:27
+0:46
Finish
26.22 mi13:51:333:20:537:407:58
7:49
-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

7:29 /mi

Average Pace

7:40 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:42

94% of race

Time at Steady Pace

11:11

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /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 mi10:54:2423:447:3823:44
7:38
#10925
10K
6.21 mi11:17:5447:147:3623:30
7:34
#10937
15K
9.32 mi11:41:361:10:567:3723:42
7:38
#11020
20K
12.43 mi12:05:121:34:327:3623:36
7:36
#10769
Half
13.11 mi12:10:191:39:397:365:07
7:30
#10735
25K
15.53 mi12:28:291:57:497:3518:10
7:30
#10344
30K
18.64 mi12:52:302:21:507:3724:01
7:44
#10036
20M
20.00 mi13:03:022:32:227:3710:32
7:45
#9884
21M
21.00 mi13:11:182:40:387:398:16
8:16
#9799
35K
21.75 mi13:16:542:46:147:395:36
7:29
#9739
23M
23.00 mi13:26:362:55:567:399:42
7:45
#9608
24M
24.00 mi13:34:063:03:267:397:30
7:30
#9510
40K
24.85 mi13:40:403:10:007:396:34
7:41
#9414
25.2M
25.20 mi13:43:353:12:557:392:55
8:27
#9392
Finish
26.22 mi13:51:333:20:537:407:58
7:49
#9425
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109252291229111248(Top 42%)2484(Top 22%)2484(Top 51%)
10K6.21 mi3.10 mi10937-122294-32294-311002(Top 41%)2306(Top 20%)2306(Top 47%)
15K9.32 mi3.11 mi11020-832342-482342-4811248(Top 42%)2484(Top 22%)2484(Top 51%)
20K12.43 mi3.11 mi10769+2512228+1142228+11410073(Top 38%)1946(Top 17%)1946(Top 40%)
Half13.11 mi0.68 mi10735+342209+192209+1910280(Top 39%)2013(Top 18%)2013(Top 41%)
25K15.53 mi2.42 mi10344+3912018+1912018+1918762(Top 33%)1463(Top 13%)1463(Top 30%)
30K18.64 mi3.11 mi10036+3081907+1111907+1118874(Top 33%)1660(Top 15%)1660(Top 34%)
20M20.00 mi1.36 mi9884+1521869+381869+388537(Top 32%)1615(Top 14%)1615(Top 33%)
21M21.00 mi1.00 mi9799+851853+161853+169048(Top 34%)1945(Top 17%)1945(Top 40%)
35K21.75 mi0.75 mi9739+601840+131840+138496(Top 32%)1695(Top 15%)1695(Top 35%)
23M23.00 mi1.25 mi9608+1311827+131827+138082(Top 30%)1626(Top 14%)1626(Top 33%)
24M24.00 mi1.00 mi9510+981799+281799+287736(Top 29%)1576(Top 14%)1576(Top 32%)
40K24.85 mi0.85 mi9414+961797+21797+27875(Top 30%)1705(Top 15%)1705(Top 35%)
25.2M25.20 mi0.35 mi9392+221798-11798-19294(Top 35%)2353(Top 21%)2353(Top 48%)
Finish26.22 mi1.02 mi9425-331829-311829-3110806(Top 41%)3080(Top 27%)3080(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11248

Females

2484

F18-39

2484

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

11002

Females

2306

F18-39

2306

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11248

Females

2484

F18-39

2484

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10073

Females

1946

F18-39

1946

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10280

Females

2013

F18-39

2013

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8762

Females

1463

F18-39

1463

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

8874

Females

1660

F18-39

1660

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8537

Females

1615

F18-39

1615

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9048

Females

1945

F18-39

1945

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8496

Females

1695

F18-39

1695

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8082

Females

1626

F18-39

1626

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7736

Females

1576

F18-39

1576

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7875

Females

1705

F18-39

1705

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9294

Females

2353

F18-39

2353

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10806

Females

3080

F18-39

3080

Passing Analysis

Category:
Athletes Passed
2356*
Passed By
856
Net Change
+1500
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10925
5K → 10K285297-12#10925#10937
10K → 15K155238-83#10937#11020
15K → 20K30150+251#11020#10769
20K → Half417+34#10769#10735
Half → 25K3976+391#10735#10344
25K → 30K342*34+308#10344#10036
30K → 20M170*18+152#10036#9884
20M → 21M12136+85#9884#9799
21M → 35K7212+60#9799#9739
35K → 23M16736+131#9739#9608
23M → 24M11214+98#9608#9510
24M → 40K115*19+96#9510#9414
40K → 25.2M3614+22#9414#9392
25.2M → Finish4275-33#9392#9425
TOTALS2356*856+1500

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

📊

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