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BOSTON MARATHON 2023

Samantha Thompson

Bib: 22045•F

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 45%
Division (F50-54)
#0 / 1207
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:45
Rank: #18296
Start → 5K
8:37/mi
26:45 split
10K· 6.21 mi
53:23
Rank: #18488 (-192)
5K → 10K
8:34/mi
26:38 split
15K· 9.32 mi
1:20:08
Rank: #18471 (+17)
10K → 15K
8:37/mi
26:45 split
20K· 12.43 mi
1:47:04
Rank: #18297 (+174)
15K → 20K
8:40/mi
26:56 split
Half· 13.11 mi
1:53:40
Rank: #18640 (-343)
20K → Half
9:40/mi
6:36 split
25K· 15.53 mi
2:14:25
Rank: #18288 (+352)
Half → 25K
8:33/mi
20:45 split
30K· 18.64 mi
2:41:45
Rank: #17827 (+461)
25K → 30K
8:48/mi
27:20 split
20M
2:53:54
Rank: #17702 (+125)
30K → 20M
8:56/mi
12:09 split
21M
3:03:08
Rank: #17501 (+201)
20M → 21M
9:14/mi
9:14 split
35K· 21.75 mi
3:09:30
Rank: #17432 (+69)
21M → 35K
8:31/mi
6:22 split
23M
3:20:32
Rank: #17282 (+150)
35K → 23M
8:49/mi
11:02 split
24M
3:29:31
Rank: #17271 (+11)
23M → 24M
8:59/mi
8:59 split
40K· 24.85 mi
3:37:03
Rank: #17187 (+84)
24M → 40K
8:49/mi
7:32 split
25.2M
3:40:30
Rank: #17207 (-20)
40K → 25.2M
10:00/mi
3:27 split
Finish· 26.22 mi
3:49:22
Rank: #17207
25.2M → Finish
8:42/mi
8:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:40
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time1:55:42
Pace8:50 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1526:458:3726:45
8:37
-
10K
6.21 mi11:47:5353:238:3526:38
8:34
-0:03
15K
9.32 mi12:14:381:20:088:3626:45
8:37
+0:03
20K
12.43 mi12:41:341:47:048:3726:56
8:40
+0:03
Half
13.11 mi12:48:101:53:408:406:36
9:40
+1:00
25K
15.53 mi13:08:552:14:258:3920:45
8:33
-1:07
30K
18.64 mi13:36:152:41:458:4127:20
8:48
+0:15
20M
20.00 mi13:48:242:53:548:4212:09
8:56
+0:08
21M
21.00 mi13:57:383:03:088:439:14
9:14
+0:18
35K
21.75 mi14:04:003:09:308:436:22
8:31
-0:43
23M
23.00 mi14:15:023:20:328:4311:02
8:49
+0:18
24M
24.00 mi14:24:013:29:318:448:59
8:59
+0:10
40K
24.85 mi14:31:333:37:038:447:32
8:49
-0:10
25.2M
25.20 mi14:35:003:40:308:453:27
10:00
+1:11
Finish
26.22 mi14:43:523:49:228:458:52
8:42
-1:18

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

8:31 /mi

Average Pace

8:45 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:39:19

96% of race

Time at Steady Pace

10:03

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:45 /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 mi11:21:1526:458:3726:45
8:37
#18296
10K
6.21 mi11:47:5353:238:3526:38
8:34
#18488
15K
9.32 mi12:14:381:20:088:3626:45
8:37
#18471
20K
12.43 mi12:41:341:47:048:3726:56
8:40
#18297
Half
13.11 mi12:48:101:53:408:406:36
9:40
#18640
25K
15.53 mi13:08:552:14:258:3920:45
8:33
#18288
30K
18.64 mi13:36:152:41:458:4127:20
8:48
#17827
20M
20.00 mi13:48:242:53:548:4212:09
8:56
#17702
21M
21.00 mi13:57:383:03:088:439:14
9:14
#17501
35K
21.75 mi14:04:003:09:308:436:22
8:31
#17432
23M
23.00 mi14:15:023:20:328:4311:02
8:49
#17282
24M
24.00 mi14:24:013:29:318:448:59
8:59
#17271
40K
24.85 mi14:31:333:37:038:447:32
8:49
#17187
25.2M
25.20 mi14:35:003:40:308:453:27
10:00
#17207
Finish
26.22 mi14:43:523:49:228:458:52
8:42
#17207
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi182966737673718518(Top 70%)6811(Top 60%)6811(Top 564%)
10K6.21 mi3.10 mi18488-1926821-846821-8418679(Top 70%)6884(Top 60%)6884(Top 570%)
15K9.32 mi3.11 mi18471+176795+266795+2618518(Top 70%)6811(Top 60%)6811(Top 564%)
20K12.43 mi3.11 mi18297+1746689+1066689+10617930(Top 67%)6471(Top 57%)6471(Top 536%)
Half13.11 mi0.68 mi18640-3436897-2086897-20822588(Top 85%)9119(Top 80%)9119(Top 756%)
25K15.53 mi2.42 mi18288+3526699+1986699+19816554(Top 62%)5756(Top 50%)5756(Top 477%)
30K18.64 mi3.11 mi17827+4616454+2456454+24516063(Top 60%)5542(Top 49%)5542(Top 459%)
20M20.00 mi1.36 mi17702+1256398+566398+5616249(Top 61%)5720(Top 50%)5720(Top 474%)
21M21.00 mi1.00 mi17501+2016296+1026296+10214679(Top 55%)4872(Top 43%)4872(Top 404%)
35K21.75 mi0.75 mi17432+696262+346262+3415433(Top 58%)5378(Top 47%)5378(Top 446%)
23M23.00 mi1.25 mi17282+1506186+766186+7615094(Top 57%)5240(Top 46%)5240(Top 434%)
24M24.00 mi1.00 mi17271+116186618617169(Top 64%)6448(Top 56%)6448(Top 534%)
40K24.85 mi0.85 mi17187+846166+206166+2015169(Top 57%)5399(Top 47%)5399(Top 447%)
25.2M25.20 mi0.35 mi17207-206181-156181-1517428(Top 65%)6661(Top 58%)6661(Top 552%)
Finish26.22 mi1.02 mi172076191-106191-1016520(Top 62%)6111(Top 53%)6111(Top 506%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

18518

Females

6811

F50-54

6811

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18679

Females

6884

F50-54

6884

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

18518

Females

6811

F50-54

6811

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17930

Females

6471

F50-54

6471

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22588

Females

9119

F50-54

9119

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16554

Females

5756

F50-54

5756

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

16063

Females

5542

F50-54

5542

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

16249

Females

5720

F50-54

5720

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

14679

Females

4872

F50-54

4872

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15433

Females

5378

F50-54

5378

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15094

Females

5240

F50-54

5240

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

17169

Females

6448

F50-54

6448

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15169

Females

5399

F50-54

5399

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17428

Females

6661

F50-54

6661

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

16520

Females

6111

F50-54

6111

Passing Analysis

Category:
Athletes Passed
2387
Passed By
1298
Net Change
+1089
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18296
5K → 10K233425-192#18296#18488
10K → 15K185168+17#18488#18471
15K → 20K25076+174#18471#18297
20K → Half2345-343#18297#18640
Half → 25K36513+352#18640#18288
25K → 30K47716+461#18288#17827
30K → 20M15328+125#17827#17702
20M → 21M21312+201#17702#17501
21M → 35K8415+69#17501#17432
35K → 23M17121+150#17432#17282
23M → 24M7160+11#17282#17271
24M → 40K10824+84#17271#17187
40K → 25.2M1434-20#17187#17207
25.2M → Finish61610#17207#17207
TOTALS23871298+1089
📊

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