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BOSTON MARATHON 2023

Allison Milford

Bib: 24598•F

HI

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0:00
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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
28:41
Rank: #21307
Start → 5K
9:14/mi
28:41 split
10K· 6.21 mi
55:43
Rank: #20512 (+795)
5K → 10K
8:42/mi
27:02 split
15K· 9.32 mi
1:23:03
Rank: #20169 (+343)
10K → 15K
8:48/mi
27:20 split
20K· 12.43 mi
1:51:23
Rank: #20174 (-5)
15K → 20K
9:07/mi
28:20 split
Half· 13.11 mi
1:57:28
Rank: #20177 (-3)
20K → Half
8:55/mi
6:05 split
25K· 15.53 mi
2:20:03
Rank: #20193 (-16)
Half → 25K
9:19/mi
22:35 split
30K· 18.64 mi
2:49:55
Rank: #20130 (+63)
25K → 30K
9:37/mi
29:52 split
20M
3:03:04
Rank: #20064 (+66)
30K → 20M
9:41/mi
13:09 split
21M
3:13:35
Rank: #20027 (+37)
20M → 21M
10:31/mi
10:31 split
35K· 21.75 mi
3:20:50
Rank: #20038 (-11)
21M → 35K
9:41/mi
7:15 split
23M
3:33:25
Rank: #20054 (-16)
35K → 23M
10:03/mi
12:35 split
24M
3:43:22
Rank: #20096 (-42)
23M → 24M
9:57/mi
9:57 split
40K· 24.85 mi
3:52:28
Rank: #20165 (-69)
24M → 40K
10:39/mi
9:06 split
25.2M
3:56:36
Rank: #20202 (-37)
40K → 25.2M
11:59/mi
4:08 split
Finish· 26.22 mi
4:06:27
Rank: #20210 (-8)
25.2M → Finish
9:40/mi
9:51 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:28
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time2:08:59
Pace9:50 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:5928:419:1428:41
9:14
-
10K
6.21 mi12:11:0155:438:5827:02
8:42
-0:32
15K
9.32 mi12:38:211:23:038:5527:20
8:48
+0:06
20K
12.43 mi13:06:411:51:238:5828:20
9:07
+0:19
Half
13.11 mi13:12:461:57:288:586:05
8:55
-0:12
25K
15.53 mi13:35:212:20:039:0122:35
9:19
+0:24
30K
18.64 mi14:05:132:49:559:0729:52
9:37
+0:18
20M
20.00 mi14:18:223:03:049:0913:09
9:41
+0:04
21M
21.00 mi14:28:533:13:359:1310:31
10:31
+0:50
35K
21.75 mi14:36:083:20:509:147:15
9:41
-0:50
23M
23.00 mi14:48:433:33:259:1712:35
10:03
+0:22
24M
24.00 mi14:58:403:43:229:189:57
9:57
-0:06
40K
24.85 mi15:07:463:52:289:219:06
10:39
+0:42
25.2M
25.20 mi15:11:543:56:369:234:08
11:59
+1:20
Finish
26.22 mi15:21:454:06:279:249:51
9:40
-2:19

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

8:42 /mi

Average Pace

9:24 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:28

48% of race

Time at Steady Pace

1:45:14

43% of race

Time at Slower Pace

23:45

10% of race

Average Pace: 9:24 /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 mi11:43:5928:419:1428:41
9:14
#21307
10K
6.21 mi12:11:0155:438:5827:02
8:42
#20512
15K
9.32 mi12:38:211:23:038:5527:20
8:48
#20169
20K
12.43 mi13:06:411:51:238:5828:20
9:07
#20174
Half
13.11 mi13:12:461:57:288:586:05
8:55
#20177
25K
15.53 mi13:35:212:20:039:0122:35
9:19
#20193
30K
18.64 mi14:05:132:49:559:0729:52
9:37
#20130
20M
20.00 mi14:18:223:03:049:0913:09
9:41
#20064
21M
21.00 mi14:28:533:13:359:1310:31
10:31
#20027
35K
21.75 mi14:36:083:20:509:147:15
9:41
#20038
23M
23.00 mi14:48:433:33:259:1712:35
10:03
#20054
24M
24.00 mi14:58:403:43:229:189:57
9:57
#20096
40K
24.85 mi15:07:463:52:289:219:06
10:39
#20165
25.2M
25.20 mi15:11:543:56:369:234:08
11:59
#20202
Finish
26.22 mi15:21:454:06:279:249:51
9:40
#20210
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi213078528852819510(Top 73%)7398(Top 65%)7398(Top 151%)
10K6.21 mi3.10 mi20512+7958040+4888040+48819452(Top 73%)7354(Top 64%)7354(Top 151%)
15K9.32 mi3.11 mi20169+3437829+2117829+21119510(Top 73%)7398(Top 65%)7398(Top 151%)
20K12.43 mi3.11 mi20174-57815+147815+1420238(Top 76%)7807(Top 68%)7807(Top 160%)
Half13.11 mi0.68 mi20177-37814+17814+120102(Top 76%)7729(Top 68%)7729(Top 158%)
25K15.53 mi2.42 mi20193-167813+17813+120250(Top 76%)7838(Top 69%)7838(Top 160%)
30K18.64 mi3.11 mi20130+637803+107803+1019843(Top 75%)7677(Top 67%)7677(Top 157%)
20M20.00 mi1.36 mi20064+667781+227781+2219511(Top 73%)7579(Top 66%)7579(Top 155%)
21M21.00 mi1.00 mi20027+377766+157766+1519664(Top 74%)7745(Top 68%)7745(Top 159%)
35K21.75 mi0.75 mi20038-117777-117777-1120459(Top 77%)8201(Top 72%)8201(Top 168%)
23M23.00 mi1.25 mi20054-167802-257802-2520144(Top 76%)8041(Top 70%)8041(Top 165%)
24M24.00 mi1.00 mi20096-427831-297831-2920663(Top 78%)8361(Top 73%)8361(Top 171%)
40K24.85 mi0.85 mi20165-697878-477878-4721571(Top 81%)8922(Top 78%)8922(Top 183%)
25.2M25.20 mi0.35 mi20202-377907-297907-2922482(Top 84%)9382(Top 82%)9382(Top 192%)
Finish26.22 mi1.02 mi20210-87923-167923-1620694(Top 78%)8404(Top 74%)8404(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19510

Females

7398

F18-39

7398

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19452

Females

7354

F18-39

7354

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19510

Females

7398

F18-39

7398

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20238

Females

7807

F18-39

7807

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20102

Females

7729

F18-39

7729

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

20250

Females

7838

F18-39

7838

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19843

Females

7677

F18-39

7677

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19511

Females

7579

F18-39

7579

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

19664

Females

7745

F18-39

7745

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20459

Females

8201

F18-39

8201

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20144

Females

8041

F18-39

8041

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20663

Females

8361

F18-39

8361

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21571

Females

8922

F18-39

8922

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22482

Females

9382

F18-39

9382

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20694

Females

8404

F18-39

8404

Passing Analysis

Category:
Athletes Passed
2167
Passed By
1070
Net Change
+1097
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21307
5K → 10K86570+795#21307#20512
10K → 15K39754+343#20512#20169
15K → 20K158163-5#20169#20174
20K → Half2629-3#20174#20177
Half → 25K127143-16#20177#20193
25K → 30K173110+63#20193#20130
30K → 20M11852+66#20130#20064
20M → 21M10063+37#20064#20027
21M → 35K3748-11#20027#20038
35K → 23M7389-16#20038#20054
23M → 24M3072-42#20054#20096
24M → 40K2594-69#20096#20165
40K → 25.2M441-37#20165#20202
25.2M → Finish3442-8#20202#20210
TOTALS21671070+1097
📊

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