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BOSTON MARATHON 2023

Sarah Saunders

Bib: 18570•F

ON

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0:00
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 34%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:30
Rank: #15522
Start → 5K
25:30 | 8:12/mi
10K· 6.21 mi
50:46
Rank: #15622 (-100)
5K → 10K
25:16 | 8:08/mi
15K· 9.32 mi
1:16:29
Rank: #15871 (-249)
10K → 15K
25:43 | 8:17/mi
20K· 12.43 mi
1:41:38
Rank: #15429 (+442)
15K → 20K
25:09 | 8:06/mi
Half· 13.11 mi
1:47:10
Rank: #15416 (+13)
20K → Half
5:32 | 8:07/mi
25K· 15.53 mi
2:07:06
Rank: #15222 (+194)
Half → 25K
19:56 | 8:13/mi
30K· 18.64 mi
2:32:46
Rank: #14771 (+451)
25K → 30K
25:40 | 8:16/mi
20M
2:44:08
Rank: #14605 (+166)
30K → 20M
11:22 | 8:22/mi
21M
2:52:51
Rank: #14419 (+186)
20M → 21M
8:43 | 8:43/mi
35K· 21.75 mi
2:58:50
Rank: #14330 (+89)
21M → 35K
5:59 | 8:00/mi
23M
3:09:08
Rank: #14122 (+208)
35K → 23M
10:18 | 8:14/mi
24M
3:16:57
Rank: #13929 (+193)
23M → 24M
7:49 | 7:49/mi
40K· 24.85 mi
3:23:38
Rank: #13719 (+210)
24M → 40K
6:41 | 7:49/mi
25.2M
3:26:30
Rank: #13606 (+113)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:33:59
Rank: #13337 (+269)
25.2M → Finish
7:29 | 7:21/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:47:10
Pace8:10 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:46:49
Pace8:09 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1825:308:1225:30
8:12
-
10K
6.21 mi11:42:3450:468:1025:16
8:08
-0:04
15K
9.32 mi12:08:171:16:298:1225:43
8:17
+0:09
20K
12.43 mi12:33:261:41:388:1125:09
8:06
-0:11
Half
13.11 mi12:38:581:47:108:105:32
8:07
+0:01
25K
15.53 mi12:58:542:07:068:1119:56
8:13
+0:06
30K
18.64 mi13:24:342:32:468:1225:40
8:16
+0:03
20M
20.00 mi13:35:562:44:088:1211:22
8:22
+0:06
21M
21.00 mi13:44:392:52:518:148:43
8:43
+0:21
35K
21.75 mi13:50:382:58:508:135:59
8:00
-0:43
23M
23.00 mi14:00:563:09:088:1310:18
8:14
+0:14
24M
24.00 mi14:08:453:16:578:127:49
7:49
-0:25
40K
24.85 mi14:15:263:23:388:126:41
7:49
0:00
25.2M
25.20 mi14:18:183:26:308:122:52
8:19
+0:30
Finish
26.22 mi14:25:473:33:598:107:29
7:21
-0:58

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

7:21 /mi

Average Pace

8:10 /mi

Slowest Pace

8:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:58

13% of race

Time at Steady Pace

2:57:18

83% of race

Time at Slower Pace

8:43

4% of race

Average Pace: 8:10 /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 mi11:17:1825:308:1225:30
8:12
#15522
10K
6.21 mi11:42:3450:468:1025:16
8:08
#15622
15K
9.32 mi12:08:171:16:298:1225:43
8:17
#15871
20K
12.43 mi12:33:261:41:388:1125:09
8:06
#15429
Half
13.11 mi12:38:581:47:108:105:32
8:07
#15416
25K
15.53 mi12:58:542:07:068:1119:56
8:13
#15222
30K
18.64 mi13:24:342:32:468:1225:40
8:16
#14771
20M
20.00 mi13:35:562:44:088:1211:22
8:22
#14605
21M
21.00 mi13:44:392:52:518:148:43
8:43
#14419
35K
21.75 mi13:50:382:58:508:135:59
8:00
#14330
23M
23.00 mi14:00:563:09:088:1310:18
8:14
#14122
24M
24.00 mi14:08:453:16:578:127:49
7:49
#13929
40K
24.85 mi14:15:263:23:388:126:41
7:49
#13719
25.2M
25.20 mi14:18:183:26:308:122:52
8:19
#13606
Finish
26.22 mi14:25:473:33:598:107:29
7:21
#13337
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi155224981498116392(Top 62%)5524(Top 48%)5524(Top 113%)
10K6.21 mi3.10 mi15622-1005046-655046-6515762(Top 59%)5117(Top 45%)5117(Top 105%)
15K9.32 mi3.11 mi15871-2495198-1525198-15216392(Top 62%)5524(Top 48%)5524(Top 113%)
20K12.43 mi3.11 mi15429+4424948+2504948+25014203(Top 53%)4225(Top 37%)4225(Top 87%)
Half13.11 mi0.68 mi15416+134942+64942+615212(Top 57%)4797(Top 42%)4797(Top 98%)
25K15.53 mi2.42 mi15222+1944854+884854+8814392(Top 54%)4444(Top 39%)4444(Top 91%)
30K18.64 mi3.11 mi14771+4514597+2574597+25712773(Top 48%)3623(Top 32%)3623(Top 74%)
20M20.00 mi1.36 mi14605+1664529+684529+6812808(Top 48%)3749(Top 33%)3749(Top 77%)
21M21.00 mi1.00 mi14419+1864448+814448+8111800(Top 44%)3306(Top 29%)3306(Top 68%)
35K21.75 mi0.75 mi14330+894406+424406+4212165(Top 46%)3528(Top 31%)3528(Top 72%)
23M23.00 mi1.25 mi14122+2084298+1084298+10811408(Top 43%)3223(Top 28%)3223(Top 66%)
24M24.00 mi1.00 mi13929+1934210+884210+889981(Top 37%)2599(Top 23%)2599(Top 53%)
40K24.85 mi0.85 mi13719+2104095+1154095+1158844(Top 33%)2121(Top 19%)2121(Top 43%)
25.2M25.20 mi0.35 mi13606+1134031+644031+648518(Top 32%)2069(Top 18%)2069(Top 42%)
Finish26.22 mi1.02 mi13337+2693896+1353896+1357450(Top 28%)1618(Top 14%)1618(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16392

Females

5524

F18-39

5524

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15762

Females

5117

F18-39

5117

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16392

Females

5524

F18-39

5524

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14203

Females

4225

F18-39

4225

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15212

Females

4797

F18-39

4797

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14392

Females

4444

F18-39

4444

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12773

Females

3623

F18-39

3623

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12808

Females

3749

F18-39

3749

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11800

Females

3306

F18-39

3306

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12165

Females

3528

F18-39

3528

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

11408

Females

3223

F18-39

3223

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9981

Females

2599

F18-39

2599

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8844

Females

2121

F18-39

2121

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8518

Females

2069

F18-39

2069

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7450

Females

1618

F18-39

1618

Passing Analysis

Category:
Athletes Passed
3067
Passed By
882
Net Change
+2185
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15522
5K → 10K254354-100#15522#15622
10K → 15K101350-249#15622#15871
15K → 20K46321+442#15871#15429
20K → Half4431+13#15429#15416
Half → 25K23541+194#15416#15222
25K → 30K47524+451#15222#14771
30K → 20M18115+166#14771#14605
20M → 21M20115+186#14605#14419
21M → 35K989+89#14419#14330
35K → 23M21911+208#14330#14122
23M → 24M1963+193#14122#13929
24M → 40K2100+210#13929#13719
40K → 25.2M1174+113#13719#13606
25.2M → Finish2734+269#13606#13337
TOTALS3067882+2185
📊

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