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BOSTON MARATHON 2023

Allison Youngblood

Bib: 13266•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 8%
Masters (Masters Women)
#0 / 6539
Top 3%
Division (F40-44)
#0 / 1878
Top 7%
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
7:23/mi
22:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:08/mi
45:06
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:07:13
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:29:31
↑ 106↓ 860.1%
Half· 13.11 mi
7:04/mi
1:34:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:14/mi
1:51:53
↑ 66↓ 880.2%
30K· 18.64 mi
7:23/mi
2:14:50
↑ 181↓ 1480.2%
20M
7:28/mi
2:24:59
↑ 64↓ 500.2%
21M
7:55/mi
2:32:54
↑ 106↓ 241.6%
35K· 21.75 mi
7:10/mi
2:38:16
↑ 17↓ 861.7%
23M
7:30/mi
2:47:39
↑ 23↓ 630.6%
24M
7:29/mi
2:55:08
↓ 821.3%
40K· 24.85 mi
7:42/mi
3:01:43
↓ 200.3%
25.2M
8:54/mi
3:04:47
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:12:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:20
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:38:20
Pace7:30 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0122:577:2322:57
7:23
-
10K
6.21 mi11:13:1045:067:1522:09
7:08
-0:15
15K
9.32 mi11:35:171:07:137:1322:07
7:07
-0:01
20K
12.43 mi11:57:351:29:317:1222:18
7:11
+0:04
Half
13.11 mi12:02:241:34:207:124:49
7:04
-0:07
25K
15.53 mi12:19:571:51:537:1217:33
7:14
+0:10
30K
18.64 mi12:42:542:14:507:1422:57
7:23
+0:09
20M
20.00 mi12:53:032:24:597:1510:09
7:28
+0:05
21M
21.00 mi13:00:582:32:547:177:55
7:55
+0:27
35K
21.75 mi13:06:202:38:167:175:22
7:10
-0:45
23M
23.00 mi13:15:432:47:397:179:23
7:30
+0:20
24M
24.00 mi13:23:122:55:087:187:29
7:29
-0:01
40K
24.85 mi13:29:473:01:437:196:35
7:42
+0:13
25.2M
25.20 mi13:32:513:04:477:203:04
8:54
+1:12
Finish
26.22 mi13:40:443:12:407:217:53
7:44
-1:10

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

7:04 /mi

Average Pace

7:21 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:05

25% of race

Time at Steady Pace

1:58:08

61% of race

Time at Slower Pace

25:27

13% of race

Average Pace: 7:21 /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 mi10:51:0122:577:2322:57
7:23
#8735
10K
6.21 mi11:13:1045:067:1522:09
7:08
#8177
15K
9.32 mi11:35:171:07:137:1322:07
7:07
#7834
20K
12.43 mi11:57:351:29:317:1222:18
7:11
#7571
Half
13.11 mi12:02:241:34:207:124:49
7:04
#7525
25K
15.53 mi12:19:571:51:537:1217:33
7:14
#7383
30K
18.64 mi12:42:542:14:507:1422:57
7:23
#7187
20M
20.00 mi12:53:032:24:597:1510:09
7:28
#7115
21M
21.00 mi13:00:582:32:547:177:55
7:55
#7057
35K
21.75 mi13:06:202:38:167:175:22
7:10
#7005
23M
23.00 mi13:15:432:47:397:179:23
7:30
#6927
24M
24.00 mi13:23:122:55:087:187:29
7:29
#6918
40K
24.85 mi13:29:473:01:437:196:35
7:42
#6932
25.2M
25.20 mi13:32:513:04:477:203:04
8:54
#6984
Finish
26.22 mi13:40:443:12:407:217:53
7:44
#7053
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi8735128512857277(Top 27%)828(Top 7%)828(Top 44%)
10K6.21 mi3.10 mi8177+5581095+1901095+1907625(Top 29%)926(Top 8%)926(Top 49%)
15K9.32 mi3.11 mi7834+343978+117978+1177277(Top 27%)828(Top 7%)828(Top 44%)
20K12.43 mi3.11 mi7571+263908+70908+706971(Top 26%)775(Top 7%)775(Top 41%)
Half13.11 mi0.68 mi7525+46893+15893+156976(Top 26%)760(Top 7%)760(Top 40%)
25K15.53 mi2.42 mi7383+142858+35858+356906(Top 26%)809(Top 7%)809(Top 43%)
30K18.64 mi3.11 mi7187+196824+34824+346549(Top 25%)779(Top 7%)779(Top 41%)
20M20.00 mi1.36 mi7115+72815+9815+96613(Top 25%)892(Top 8%)892(Top 47%)
21M21.00 mi1.00 mi7057+58814+1814+16854(Top 26%)1073(Top 9%)1073(Top 57%)
35K21.75 mi0.75 mi7005+52808+6808+66406(Top 24%)885(Top 8%)885(Top 47%)
23M23.00 mi1.25 mi6927+78817-9817-96403(Top 24%)953(Top 8%)953(Top 51%)
24M24.00 mi1.00 mi6918+9836-19836-197617(Top 29%)1522(Top 13%)1522(Top 81%)
40K24.85 mi0.85 mi6932-14857-21857-217998(Top 30%)1736(Top 15%)1736(Top 92%)
25.2M25.20 mi0.35 mi6984-52887-30887-3011907(Top 45%)3645(Top 32%)3645(Top 194%)
Finish26.22 mi1.02 mi7053-69930-43930-4310214(Top 38%)2791(Top 24%)2791(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7277

Females

828

F40-44

828

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7625

Females

926

F40-44

926

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7277

Females

828

F40-44

828

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6971

Females

775

F40-44

775

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

6976

Females

760

F40-44

760

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

6906

Females

809

F40-44

809

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

6549

Females

779

F40-44

779

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6613

Females

892

F40-44

892

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

6854

Females

1073

F40-44

1073

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6406

Females

885

F40-44

885

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6403

Females

953

F40-44

953

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7617

Females

1522

F40-44

1522

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7998

Females

1736

F40-44

1736

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11907

Females

3645

F40-44

3645

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10214

Females

2791

F40-44

2791

Passing Analysis

Category:
Athletes Passed
2264
Passed By
582
Net Change
+1682
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8735
5K → 10K62971+558#8735#8177
10K → 15K36926+343#8177#7834
15K → 20K28724+263#7834#7571
20K → Half515+46#7571#7525
Half → 25K15917+142#7525#7383
25K → 30K23236+196#7383#7187
30K → 20M9422+72#7187#7115
20M → 21M9840+58#7115#7057
21M → 35K6614+52#7057#7005
35K → 23M11638+78#7005#6927
23M → 24M5546+9#6927#6918
24M → 40K5165-14#6918#6932
40K → 25.2M1870-52#6932#6984
25.2M → Finish39108-69#6984#7053
TOTALS2264582+1682
📊

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