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BOSTON MARATHON 2023

Haley Walker

Bib: 10420•F

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0:00
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 18%
Division (F18-39)
#0 / 4884
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:57
Rank: #8743
Start → 5K
22:57 | 7:23/mi
10K· 6.21 mi
45:49
Rank: #9000 (-257)
5K → 10K
22:52 | 7:22/mi
15K· 9.32 mi
1:08:51
Rank: #9094 (-94)
10K → 15K
23:02 | 7:25/mi
20K· 12.43 mi
1:32:15
Rank: #9180 (-86)
15K → 20K
23:24 | 7:32/mi
Half· 13.11 mi
1:37:23
Rank: #9237 (-57)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:55:39
Rank: #9178 (+59)
Half → 25K
18:16 | 7:32/mi
30K· 18.64 mi
2:20:46
Rank: #9601 (-423)
25K → 30K
25:07 | 8:05/mi
20M
2:31:50
Rank: #9680 (-79)
30K → 20M
11:04 | 8:09/mi
21M
2:42:01
Rank: #10349 (-669)
20M → 21M
10:11 | 10:11/mi
35K· 21.75 mi
2:47:44
Rank: #10301 (+48)
21M → 35K
5:43 | 7:38/mi
23M
2:57:55
Rank: #10293 (+8)
35K → 23M
10:11 | 8:08/mi
24M
3:05:36
Rank: #10208 (+85)
23M → 24M
7:41 | 7:41/mi
40K· 24.85 mi
3:12:13
Rank: #10111 (+97)
24M → 40K
6:37 | 7:44/mi
25.2M
3:15:03
Rank: #10048 (+63)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:22:47
Rank: #9989 (+59)
25.2M → Finish
7:44 | 7:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:23
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:45:24
Pace8:02 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1622:577:2322:57
7:23
-
10K
6.21 mi11:12:0845:497:2222:52
7:22
-0:01
15K
9.32 mi11:35:101:08:517:2323:02
7:25
+0:03
20K
12.43 mi11:58:341:32:157:2523:24
7:32
+0:07
Half
13.11 mi12:03:421:37:237:265:08
7:31
-0:01
25K
15.53 mi12:21:581:55:397:2718:16
7:32
+0:01
30K
18.64 mi12:47:052:20:467:3325:07
8:05
+0:33
20M
20.00 mi12:58:092:31:507:3511:04
8:09
+0:04
21M
21.00 mi13:08:202:42:017:4310:11
10:11
+2:02
35K
21.75 mi13:14:032:47:447:435:43
7:38
-2:33
23M
23.00 mi13:24:142:57:557:4410:11
8:08
+0:30
24M
24.00 mi13:31:553:05:367:447:41
7:41
-0:27
40K
24.85 mi13:38:323:12:137:446:37
7:44
+0:03
25.2M
25.20 mi13:41:223:15:037:442:50
8:13
+0:29
Finish
26.22 mi13:49:063:22:477:447:44
7:35
-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

7:22 /mi

Average Pace

7:44 /mi

Slowest Pace

10:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:23:24

71% of race

Time at Slower Pace

59:23

29% of race

Average Pace: 7:44 /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 mi10:49:1622:577:2322:57
7:23
#8743
10K
6.21 mi11:12:0845:497:2222:52
7:22
#9000
15K
9.32 mi11:35:101:08:517:2323:02
7:25
#9094
20K
12.43 mi11:58:341:32:157:2523:24
7:32
#9180
Half
13.11 mi12:03:421:37:237:265:08
7:31
#9237
25K
15.53 mi12:21:581:55:397:2718:16
7:32
#9178
30K
18.64 mi12:47:052:20:467:3325:07
8:05
#9601
20M
20.00 mi12:58:092:31:507:3511:04
8:09
#9680
21M
21.00 mi13:08:202:42:017:4310:11
10:11
#10349
35K
21.75 mi13:14:032:47:447:435:43
7:38
#10301
23M
23.00 mi13:24:142:57:557:4410:11
8:08
#10293
24M
24.00 mi13:31:553:05:367:447:41
7:41
#10208
40K
24.85 mi13:38:323:12:137:446:37
7:44
#10111
25.2M
25.20 mi13:41:223:15:037:442:50
8:13
#10048
Finish
26.22 mi13:49:063:22:477:447:44
7:35
#9989
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8743129312939469(Top 36%)1611(Top 14%)1611(Top 33%)
10K6.21 mi3.10 mi9000-2571414-1211414-1219322(Top 35%)1555(Top 14%)1555(Top 32%)
15K9.32 mi3.11 mi9094-941467-531467-539469(Top 36%)1611(Top 14%)1611(Top 33%)
20K12.43 mi3.11 mi9180-861505-381505-389584(Top 36%)1729(Top 15%)1729(Top 35%)
Half13.11 mi0.68 mi9237-571537-321537-3210463(Top 39%)2118(Top 19%)2118(Top 43%)
25K15.53 mi2.42 mi9178+591514+231514+239051(Top 34%)1579(Top 14%)1579(Top 32%)
30K18.64 mi3.11 mi9601-4231717-2031717-20311542(Top 43%)2922(Top 26%)2922(Top 60%)
20M20.00 mi1.36 mi9680-791783-661783-6611307(Top 42%)2881(Top 25%)2881(Top 59%)
21M21.00 mi1.00 mi10349-6692122-3392122-33918656(Top 70%)7135(Top 62%)7135(Top 146%)
35K21.75 mi0.75 mi10301+482114+82114+89595(Top 36%)2180(Top 19%)2180(Top 45%)
23M23.00 mi1.25 mi10293+82141-272141-2710717(Top 40%)2872(Top 25%)2872(Top 59%)
24M24.00 mi1.00 mi10208+852127+142127+149008(Top 34%)2102(Top 18%)2102(Top 43%)
40K24.85 mi0.85 mi10111+972109+182109+188281(Top 31%)1863(Top 16%)1863(Top 38%)
25.2M25.20 mi0.35 mi10048+632098+112098+117868(Top 30%)1780(Top 16%)1780(Top 36%)
Finish26.22 mi1.02 mi9989+592089+92089+99226(Top 35%)2335(Top 20%)2335(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9469

Females

1611

F18-39

1611

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9322

Females

1555

F18-39

1555

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9469

Females

1611

F18-39

1611

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9584

Females

1729

F18-39

1729

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10463

Females

2118

F18-39

2118

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9051

Females

1579

F18-39

1579

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11542

Females

2922

F18-39

2922

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11307

Females

2881

F18-39

2881

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18656

Females

7135

F18-39

7135

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9595

Females

2180

F18-39

2180

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10717

Females

2872

F18-39

2872

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9008

Females

2102

F18-39

2102

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8281

Females

1863

F18-39

1863

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7868

Females

1780

F18-39

1780

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9226

Females

2335

F18-39

2335

Passing Analysis

Category:
Athletes Passed
1248*
Passed By
2492
Net Change
-1246
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8743
5K → 10K168425-257#8743#9000
10K → 15K115209-94#9000#9094
15K → 20K106192-86#9094#9180
20K → Half1067-57#9180#9237
Half → 25K13778+59#9237#9178
25K → 30K72495-423#9178#9601
30K → 20M66145-79#9601#9680
20M → 21M7674-669#9680#10349
21M → 35K7325+48#10349#10301
35K → 23M8981+8#10301#10293
23M → 24M10924+85#10293#10208
24M → 40K11518+97#10208#10111
40K → 25.2M69*6+63#10111#10048
25.2M → Finish112*53+59#10048#9989
TOTALS1248*2492-1246

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

📊

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