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BOSTON MARATHON 2023

Gail Thomson

Bib: 15915•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F70-74)
#0 / 62
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:12
Rank: #20788
Start → 5K
28:12 | 9:05/mi
10K· 6.21 mi
58:10
Rank: #21925 (-1137)
5K → 10K
29:58 | 9:39/mi
15K· 9.32 mi
1:30:08
Rank: #22785 (-860)
10K → 15K
31:58 | 10:17/mi
20K· 12.43 mi
2:02:56
Rank: #23173 (-388)
15K → 20K
32:48 | 10:33/mi
Half· 13.11 mi
2:10:03
Rank: #23246 (-73)
20K → Half
7:07 | 10:26/mi
25K· 15.53 mi
2:39:01
Rank: #23666 (-420)
Half → 25K
28:58 | 11:57/mi
30K· 18.64 mi
3:13:54
Rank: #23612 (+54)
25K → 30K
34:53 | 11:14/mi
20M
3:29:16
Rank: #23576 (+36)
30K → 20M
15:22 | 11:18/mi
21M
3:41:25
Rank: #23571 (+5)
20M → 21M
12:09 | 12:09/mi
35K· 21.75 mi
3:48:59
Rank: #23502 (+69)
21M → 35K
7:34 | 10:07/mi
23M
4:02:10
Rank: #23407 (+95)
35K → 23M
13:11 | 10:32/mi
24M
4:12:10
Rank: #23307 (+100)
23M → 24M
10:00 | 10:00/mi
40K· 24.85 mi
4:20:54
Rank: #23203 (+104)
24M → 40K
8:44 | 10:13/mi
25.2M
4:24:38
Rank: #23156 (+47)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:33:49
Rank: #23026 (+130)
25.2M → Finish
9:11 | 9:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:03
Pace9:55 /mi
2nd Half
Distance13.11 mi
Time2:23:46
Pace10:58 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:5528:129:0528:12
9:05
-
10K
6.21 mi11:27:5358:109:2229:58
9:39
+0:34
15K
9.32 mi11:59:511:30:089:4031:58
10:17
+0:38
20K
12.43 mi12:32:392:02:569:5432:48
10:33
+0:16
Half
13.11 mi12:39:462:10:039:557:07
10:26
-0:07
25K
15.53 mi13:08:442:39:0110:1428:58
11:57
+1:31
30K
18.64 mi13:43:373:13:5410:2434:53
11:14
-0:43
20M
20.00 mi13:58:593:29:1610:2815:22
11:18
+0:04
21M
21.00 mi14:11:083:41:2510:3312:09
12:09
+0:51
35K
21.75 mi14:18:423:48:5910:327:34
10:07
-2:02
23M
23.00 mi14:31:534:02:1010:3213:11
10:32
+0:25
24M
24.00 mi14:41:534:12:1010:3010:00
10:00
-0:32
40K
24.85 mi14:50:374:20:5410:308:44
10:13
+0:13
25.2M
25.20 mi14:54:214:24:3810:303:44
10:50
+0:37
Finish
26.22 mi15:03:324:33:4910:279:11
9:01
-1:49

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

9:01 /mi

Average Pace

10:27 /mi

Slowest Pace

12:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:21

25% of race

Time at Steady Pace

1:55:06

42% of race

Time at Slower Pace

1:31:22

33% of race

Average Pace: 10:27 /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 mi10:57:5528:129:0528:12
9:05
#20788
10K
6.21 mi11:27:5358:109:2229:58
9:39
#21925
15K
9.32 mi11:59:511:30:089:4031:58
10:17
#22785
20K
12.43 mi12:32:392:02:569:5432:48
10:33
#23173
Half
13.11 mi12:39:462:10:039:557:07
10:26
#23246
25K
15.53 mi13:08:442:39:0110:1428:58
11:57
#23666
30K
18.64 mi13:43:373:13:5410:2434:53
11:14
#23612
20M
20.00 mi13:58:593:29:1610:2815:22
11:18
#23576
21M
21.00 mi14:11:083:41:2510:3312:09
12:09
#23571
35K
21.75 mi14:18:423:48:5910:327:34
10:07
#23502
23M
23.00 mi14:31:534:02:1010:3213:11
10:32
#23407
24M
24.00 mi14:41:534:12:1010:3010:00
10:00
#23307
40K
24.85 mi14:50:374:20:5410:308:44
10:13
#23203
25.2M
25.20 mi14:54:214:24:3810:303:44
10:50
#23156
Finish
26.22 mi15:03:324:33:4910:279:11
9:01
#23026
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi3.11 mi207888266826624070(Top 90%)9928(Top 87%)9928(Top 16013%)
10K6.21 mi3.10 mi21925-11378810-5448810-54422923(Top 86%)9299(Top 81%)9299(Top 14998%)
15K9.32 mi3.11 mi22785-8609226-4169226-41624070(Top 90%)9928(Top 87%)9928(Top 16013%)
20K12.43 mi3.11 mi23173-3889445-2199445-21923932(Top 90%)9861(Top 86%)9861(Top 15905%)
Half13.11 mi0.68 mi23246-739485-409485-4024079(Top 90%)9951(Top 87%)9951(Top 16050%)
25K15.53 mi2.42 mi23666-4209716-2319716-23125116(Top 94%)10584(Top 93%)10584(Top 17071%)
30K18.64 mi3.11 mi23612+549707+99707+923458(Top 88%)9710(Top 85%)9710(Top 15661%)
20M20.00 mi1.36 mi23576+369698+99698+923197(Top 87%)9624(Top 84%)9624(Top 15523%)
21M21.00 mi1.00 mi23571+59702-49702-422976(Top 86%)9536(Top 83%)9536(Top 15381%)
35K21.75 mi0.75 mi23502+699670+329670+3221613(Top 81%)8837(Top 77%)8837(Top 14253%)
23M23.00 mi1.25 mi23407+959633+379633+3721404(Top 80%)8744(Top 77%)8744(Top 14103%)
24M24.00 mi1.00 mi23307+1009584+499584+4920802(Top 78%)8439(Top 74%)8439(Top 13611%)
40K24.85 mi0.85 mi23203+1049545+399545+3920544(Top 77%)8360(Top 73%)8360(Top 13484%)
25.2M25.20 mi0.35 mi23156+479529+169529+1620096(Top 75%)8127(Top 71%)8127(Top 13108%)
Finish26.22 mi1.02 mi23026+1309459+709459+7018068(Top 68%)6949(Top 61%)6949(Top 11208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

24070

Females

9928

F70-74

9928

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22923

Females

9299

F70-74

9299

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

24070

Females

9928

F70-74

9928

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

23932

Females

9861

F70-74

9861

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

24079

Females

9951

F70-74

9951

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

25116

Females

10584

F70-74

10584

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

23458

Females

9710

F70-74

9710

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

23197

Females

9624

F70-74

9624

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

22976

Females

9536

F70-74

9536

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21613

Females

8837

F70-74

8837

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21404

Females

8744

F70-74

8744

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20802

Females

8439

F70-74

8439

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20544

Females

8360

F70-74

8360

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20096

Females

8127

F70-74

8127

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18068

Females

6949

F70-74

6949

Passing Analysis

Category:
Athletes Passed
917
Passed By
3155
Net Change
-2238
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20788
5K → 10K281165-1137#20788#21925
10K → 15K20880-860#21925#22785
15K → 20K41429-388#22785#23173
20K → Half1285-73#23173#23246
Half → 25K13433-420#23246#23666
25K → 30K13177+54#23666#23612
30K → 20M6933+36#23612#23576
20M → 21M4035+5#23576#23571
21M → 35K701+69#23571#23502
35K → 23M1027+95#23502#23407
23M → 24M1022+100#23407#23307
24M → 40K1117+104#23307#23203
40K → 25.2M470+47#23203#23156
25.2M → Finish1311+130#23156#23026
TOTALS9173155-2238
📊

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