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BOSTON MARATHON 2023

Rachel Saphire

Bib: 26558•F

MA

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

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
33:23
Rank: #25270
Start → 5K
33:23 | 10:45/mi
10K· 6.21 mi
1:08:09
Rank: #25544 (-274)
5K → 10K
34:46 | 11:11/mi
15K· 9.32 mi
1:42:29
Rank: #25436 (+108)
10K → 15K
34:20 | 11:03/mi
20K· 12.43 mi
2:19:00
Rank: #25461 (-25)
15K → 20K
36:31 | 11:45/mi
Half· 13.11 mi
2:27:03
Rank: #25477 (-16)
20K → Half
8:03 | 11:48/mi
25K· 15.53 mi
2:56:32
Rank: #25464 (+13)
Half → 25K
29:29 | 12:10/mi
30K· 18.64 mi
3:38:43
Rank: #25576 (-112)
25K → 30K
42:11 | 13:35/mi
20M
3:56:04
Rank: #25531 (+45)
30K → 20M
17:21 | 12:46/mi
21M
4:10:17
Rank: #25525 (+6)
20M → 21M
14:13 | 14:13/mi
35K· 21.75 mi
4:19:23
Rank: #25504 (+21)
21M → 35K
9:06 | 12:10/mi
23M
4:35:48
Rank: #25496 (+8)
35K → 23M
16:25 | 13:07/mi
24M
4:47:54
Rank: #25479 (+17)
23M → 24M
12:06 | 12:06/mi
40K· 24.85 mi
4:59:01
Rank: #25460 (+19)
24M → 40K
11:07 | 13:00/mi
25.2M
5:04:09
Rank: #25478 (-18)
40K → 25.2M
5:08 | 14:53/mi
Finish· 26.22 mi
5:16:19
Rank: #25471 (+7)
25.2M → Finish
12:10 | 11:56/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time2:27:03
Pace11:13 /mi
2nd Half
Distance13.11 mi
Time2:49:16
Pace12:55 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:0233:2310:4533:23
10:45
-
10K
6.21 mi12:29:481:08:0910:5834:46
11:11
+0:26
15K
9.32 mi13:04:081:42:2911:0034:20
11:03
-0:08
20K
12.43 mi13:40:392:19:0011:1136:31
11:45
+0:42
Half
13.11 mi13:48:422:27:0311:138:03
11:48
+0:03
25K
15.53 mi14:18:112:56:3211:2229:29
12:10
+0:22
30K
18.64 mi15:00:223:38:4311:4442:11
13:35
+1:25
20M
20.00 mi15:17:433:56:0411:4817:21
12:46
-0:49
21M
21.00 mi15:31:564:10:1711:5514:13
14:13
+1:27
35K
21.75 mi15:41:024:19:2311:569:06
12:10
-2:03
23M
23.00 mi15:57:274:35:4811:5916:25
13:07
+0:57
24M
24.00 mi16:09:334:47:5412:0012:06
12:06
-1:01
40K
24.85 mi16:20:404:59:0112:0211:07
13:00
+0:54
25.2M
25.20 mi16:25:485:04:0912:045:08
14:53
+1:53
Finish
26.22 mi16:37:585:16:1912:0412:10
11:56
-2:57

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

10:45 /mi

Average Pace

12:04 /mi

Slowest Pace

14:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:42:29

32% of race

Time at Steady Pace

1:47:25

34% of race

Time at Slower Pace

1:46:25

34% of race

Average Pace: 12:04 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:55:0233:2310:4533:23
10:45
#25270
10K
6.21 mi12:29:481:08:0910:5834:46
11:11
#25544
15K
9.32 mi13:04:081:42:2911:0034:20
11:03
#25436
20K
12.43 mi13:40:392:19:0011:1136:31
11:45
#25461
Half
13.11 mi13:48:422:27:0311:138:03
11:48
#25477
25K
15.53 mi14:18:112:56:3211:2229:29
12:10
#25464
30K
18.64 mi15:00:223:38:4311:4442:11
13:35
#25576
20M
20.00 mi15:17:433:56:0411:4817:21
12:46
#25531
21M
21.00 mi15:31:564:10:1711:5514:13
14:13
#25525
35K
21.75 mi15:41:024:19:2311:569:06
12:10
#25504
23M
23.00 mi15:57:274:35:4811:5916:25
13:07
#25496
24M
24.00 mi16:09:334:47:5412:0012:06
12:06
#25479
40K
24.85 mi16:20:404:59:0112:0211:07
13:00
#25460
25.2M
25.20 mi16:25:485:04:0912:045:08
14:53
#25478
Finish
26.22 mi16:37:585:16:1912:0412:10
11:56
#25471
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25270105951059525270(Top 95%)10614(Top 93%)10614(Top 565%)
10K6.21 mi3.10 mi25544-27410765-17010765-17025674(Top 96%)10837(Top 95%)10837(Top 577%)
15K9.32 mi3.11 mi25436+10810695+7010695+7025270(Top 95%)10614(Top 93%)10614(Top 565%)
20K12.43 mi3.11 mi25461-2510726-3110726-3125484(Top 96%)10767(Top 94%)10767(Top 573%)
Half13.11 mi0.68 mi25477-1610733-710733-725734(Top 97%)10918(Top 96%)10918(Top 581%)
25K15.53 mi2.42 mi25464+1310741-810741-825284(Top 95%)10678(Top 93%)10678(Top 569%)
30K18.64 mi3.11 mi25576-11210814-7310814-7325803(Top 97%)11000(Top 96%)11000(Top 586%)
20M20.00 mi1.36 mi25531+4510796+1810796+1824979(Top 94%)10592(Top 93%)10592(Top 564%)
21M21.00 mi1.00 mi25525+610799-310799-325223(Top 95%)10722(Top 94%)10722(Top 571%)
35K21.75 mi0.75 mi25504+2110789+1010789+1024864(Top 93%)10589(Top 93%)10589(Top 564%)
23M23.00 mi1.25 mi25496+810795-610795-625209(Top 95%)10749(Top 94%)10749(Top 572%)
24M24.00 mi1.00 mi25479+1710785+1010785+1024656(Top 93%)10517(Top 92%)10517(Top 560%)
40K24.85 mi0.85 mi25460+1910780+510780+524944(Top 94%)10650(Top 93%)10650(Top 567%)
25.2M25.20 mi0.35 mi25478-1810790-1010790-1025638(Top 96%)10994(Top 96%)10994(Top 585%)
Finish26.22 mi1.02 mi25471+710793-310793-325181(Top 95%)10761(Top 94%)10761(Top 573%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

25270

Females

10614

F40-44

10614

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

25674

Females

10837

F40-44

10837

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

25270

Females

10614

F40-44

10614

15K→20K

9.3 - 12.4 mi

Top 96%
×5stories
+106ft-86ft

Overall

25484

Females

10767

F40-44

10767

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

25734

Females

10918

F40-44

10918

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

25284

Females

10678

F40-44

10678

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

25803

Females

11000

F40-44

11000

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

24979

Females

10592

F40-44

10592

20M→21M

20.0 - 21.0 mi

Top 95%
×8stories
+106ft-24ft

Overall

25223

Females

10722

F40-44

10722

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

24864

Females

10589

F40-44

10589

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

25209

Females

10749

F40-44

10749

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

24656

Females

10517

F40-44

10517

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

24944

Females

10650

F40-44

10650

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25638

Females

10994

F40-44

10994

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

25181

Females

10761

F40-44

10761

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
607
Passed By
808
Net Change
-201
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25270
5K → 10K57331-274#25270#25544
10K → 15K16355+108#25544#25436
15K → 20K76101-25#25436#25461
20K → Half723-16#25461#25477
Half → 25K6148+13#25477#25464
25K → 30K34146-112#25464#25576
30K → 20M5712+45#25576#25531
20M → 21M2620+6#25531#25525
21M → 35K298+21#25525#25504
35K → 23M2719+8#25504#25496
23M → 24M236+17#25496#25479
24M → 40K278+19#25479#25460
40K → 25.2M018-18#25460#25478
25.2M → Finish2013+7#25478#25471
TOTALS607808-201
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing