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BOSTON MARATHON 2023

Andrea Gosnell

Bib: 20425•F

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:20
Rank: #22817
Start → 5K
9:46/mi
30:20 split
10K· 6.21 mi
1:01:39
Rank: #23439 (-622)
5K → 10K
10:05/mi
31:19 split
15K· 9.32 mi
1:33:11
Rank: #23595 (-156)
10K → 15K
10:09/mi
31:32 split
20K· 12.43 mi
2:03:27
Rank: #23287 (+308)
15K → 20K
9:45/mi
30:16 split
Half· 13.11 mi
2:10:07
Rank: #23257 (+30)
20K → Half
9:46/mi
6:40 split
25K· 15.53 mi
2:34:35
Rank: #23069 (+188)
Half → 25K
10:05/mi
24:28 split
30K· 18.64 mi
3:07:13
Rank: #22882 (+187)
25K → 30K
10:30/mi
32:38 split
20M
3:21:55
Rank: #22840 (+42)
30K → 20M
10:49/mi
14:42 split
21M
3:34:19
Rank: #22892 (-52)
20M → 21M
12:24/mi
12:24 split
35K· 21.75 mi
3:41:16
Rank: #22776 (+116)
21M → 35K
9:17/mi
6:57 split
23M
3:54:18
Rank: #22673 (+103)
35K → 23M
10:25/mi
13:02 split
24M
4:05:08
Rank: #22663 (+10)
23M → 24M
10:50/mi
10:50 split
40K· 24.85 mi
4:14:04
Rank: #22622 (+41)
24M → 40K
10:27/mi
8:56 split
25.2M
4:17:59
Rank: #22597 (+25)
40K → 25.2M
11:21/mi
3:55 split
Finish· 26.22 mi
4:27:35
Rank: #22527 (+70)
25.2M → Finish
9:25/mi
9:36 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:07
Pace9:56 /mi
2nd Half
Distance13.11 mi
Time2:17:28
Pace10:29 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0930:209:4630:20
9:46
-
10K
6.21 mi12:22:281:01:399:5531:19
10:05
+0:19
15K
9.32 mi12:54:001:33:1110:0031:32
10:09
+0:04
20K
12.43 mi13:24:162:03:279:5630:16
9:45
-0:24
Half
13.11 mi13:30:562:10:079:566:40
9:46
+0:01
25K
15.53 mi13:55:242:34:359:5724:28
10:05
+0:19
30K
18.64 mi14:28:023:07:1310:0332:38
10:30
+0:25
20M
20.00 mi14:42:443:21:5510:0614:42
10:49
+0:19
21M
21.00 mi14:55:083:34:1910:1212:24
12:24
+1:35
35K
21.75 mi15:02:053:41:1610:106:57
9:17
-3:07
23M
23.00 mi15:15:073:54:1810:1113:02
10:25
+1:08
24M
24.00 mi15:25:574:05:0810:1310:50
10:50
+0:25
40K
24.85 mi15:34:534:14:0410:138:56
10:27
-0:23
25.2M
25.20 mi15:38:484:17:5910:143:55
11:21
+0:54
Finish
26.22 mi15:48:244:27:3510:139:36
9:25
-1:56

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

9:17 /mi

Average Pace

10:13 /mi

Slowest Pace

12:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:49

17% of race

Time at Steady Pace

2:58:55

67% of race

Time at Slower Pace

41:51

16% of race

Average Pace: 10:12 /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 mi11:51:0930:209:4630:20
9:46
#22817
10K
6.21 mi12:22:281:01:399:5531:19
10:05
#23439
15K
9.32 mi12:54:001:33:1110:0031:32
10:09
#23595
20K
12.43 mi13:24:162:03:279:5630:16
9:45
#23287
Half
13.11 mi13:30:562:10:079:566:40
9:46
#23257
25K
15.53 mi13:55:242:34:359:5724:28
10:05
#23069
30K
18.64 mi14:28:023:07:1310:0332:38
10:30
#22882
20M
20.00 mi14:42:443:21:5510:0614:42
10:49
#22840
21M
21.00 mi14:55:083:34:1910:1212:24
12:24
#22892
35K
21.75 mi15:02:053:41:1610:106:57
9:17
#22776
23M
23.00 mi15:15:073:54:1810:1113:02
10:25
#22673
24M
24.00 mi15:25:574:05:0810:1310:50
10:50
#22663
40K
24.85 mi15:34:534:14:0410:138:56
10:27
#22622
25.2M
25.20 mi15:38:484:17:5910:143:55
11:21
#22597
Finish
26.22 mi15:48:244:27:3510:139:36
9:25
#22527
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi228179286928623782(Top 89%)9769(Top 86%)9769(Top 520%)
10K6.21 mi3.10 mi23439-6229591-3059591-30523865(Top 90%)9813(Top 86%)9813(Top 523%)
15K9.32 mi3.11 mi23595-1569667-769667-7623782(Top 89%)9769(Top 86%)9769(Top 520%)
20K12.43 mi3.11 mi23287+3089504+1639504+16322269(Top 84%)8945(Top 78%)8945(Top 476%)
Half13.11 mi0.68 mi23257+309491+139491+1322813(Top 86%)9250(Top 81%)9250(Top 493%)
25K15.53 mi2.42 mi23069+1889394+979394+9722419(Top 84%)9073(Top 79%)9073(Top 483%)
30K18.64 mi3.11 mi22882+1879316+789316+7822220(Top 83%)9026(Top 79%)9026(Top 481%)
20M20.00 mi1.36 mi22840+429314+29314+222382(Top 84%)9184(Top 80%)9184(Top 489%)
21M21.00 mi1.00 mi22892-529350-369350-3623334(Top 88%)9721(Top 85%)9721(Top 518%)
35K21.75 mi0.75 mi22776+1169300+509300+5019162(Top 72%)7492(Top 66%)7492(Top 399%)
23M23.00 mi1.25 mi22673+1039246+549246+5421109(Top 79%)8592(Top 75%)8592(Top 458%)
24M24.00 mi1.00 mi22663+109250-49250-422731(Top 85%)9489(Top 83%)9489(Top 505%)
40K24.85 mi0.85 mi22622+419242+89242+821106(Top 79%)8677(Top 76%)8677(Top 462%)
25.2M25.20 mi0.35 mi22597+259229+139229+1321288(Top 80%)8751(Top 77%)8751(Top 466%)
Finish26.22 mi1.02 mi22527+709201+289201+2819873(Top 75%)7930(Top 69%)7930(Top 422%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23782

Females

9769

F40-44

9769

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23865

Females

9813

F40-44

9813

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23782

Females

9769

F40-44

9769

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

22269

Females

8945

F40-44

8945

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22813

Females

9250

F40-44

9250

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22419

Females

9073

F40-44

9073

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22220

Females

9026

F40-44

9026

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22382

Females

9184

F40-44

9184

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23334

Females

9721

F40-44

9721

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19162

Females

7492

F40-44

7492

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

21109

Females

8592

F40-44

8592

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

22731

Females

9489

F40-44

9489

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21106

Females

8677

F40-44

8677

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21288

Females

8751

F40-44

8751

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19873

Females

7930

F40-44

7930

Passing Analysis

Category:
Athletes Passed
1458
Passed By
1168
Net Change
+290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22817
5K → 10K45667-622#22817#23439
10K → 15K66222-156#23439#23595
15K → 20K32921+308#23595#23287
20K → Half4313+30#23287#23257
Half → 25K21527+188#23257#23069
25K → 30K22336+187#23069#22882
30K → 20M8240+42#22882#22840
20M → 21M3284-52#22840#22892
21M → 35K1193+116#22892#22776
35K → 23M1074+103#22776#22673
23M → 24M4232+10#22673#22663
24M → 40K498+41#22663#22622
40K → 25.2M294+25#22622#22597
25.2M → Finish777+70#22597#22527
TOTALS14581168+290
📊

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