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BOSTON MARATHON 2023

Erin Wos

Bib: 8513•F

WA

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0:00
0:00
/ mi
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Overall
#0 / 26622
Top 41%
Gender (Female)
#0 / 11423
Top 22%
Age Group (F18-39)
#0 / 4884
Top 38%
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
24:14
Rank: #12346
Start → 5K
24:14 | 7:48/mi
10K· 6.21 mi
48:11
Rank: #12316 (+30)
5K → 10K
23:57 | 7:43/mi
15K· 9.32 mi
1:12:01
Rank: #12030 (+286)
10K → 15K
23:50 | 7:40/mi
20K· 12.43 mi
1:35:49
Rank: #11612 (+418)
15K → 20K
23:48 | 7:40/mi
Half· 13.11 mi
1:41:00
Rank: #11581 (+31)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:59:41
Rank: #11341 (+240)
Half → 25K
18:41 | 7:42/mi
30K· 18.64 mi
2:24:20
Rank: #11109 (+232)
25K → 30K
24:39 | 7:56/mi
20M
2:35:03
Rank: #10954 (+155)
30K → 20M
10:43 | 7:53/mi
21M
2:43:25
Rank: #10864 (+90)
20M → 21M
8:22 | 8:22/mi
35K· 21.75 mi
2:49:14
Rank: #10829 (+35)
21M → 35K
5:49 | 7:46/mi
23M
2:59:26
Rank: #10813 (+16)
35K → 23M
10:12 | 8:09/mi
24M
3:07:22
Rank: #10796 (+17)
23M → 24M
7:56 | 7:56/mi
40K· 24.85 mi
3:14:25
Rank: #10810 (-14)
24M → 40K
7:03 | 8:15/mi
25.2M
3:17:29
Rank: #10823 (-13)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:25:44
Rank: #10894 (-71)
25.2M → Finish
8:15 | 8:06/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
Time1:41:00
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:44:44
Pace7:59 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3724:147:4824:14
7:48
-
10K
6.21 mi11:13:3448:117:4523:57
7:43
-0:05
15K
9.32 mi11:37:241:12:017:4423:50
7:40
-0:03
20K
12.43 mi12:01:121:35:497:4323:48
7:40
0:00
Half
13.11 mi12:06:231:41:007:425:11
7:36
-0:04
25K
15.53 mi12:25:041:59:417:4218:41
7:42
+0:06
30K
18.64 mi12:49:432:24:207:4524:39
7:56
+0:14
20M
20.00 mi13:00:262:35:037:4510:43
7:53
-0:03
21M
21.00 mi13:08:482:43:257:478:22
8:22
+0:29
35K
21.75 mi13:14:372:49:147:475:49
7:46
-0:36
23M
23.00 mi13:24:492:59:267:4810:12
8:09
+0:23
24M
24.00 mi13:32:453:07:227:487:56
7:56
-0:13
40K
24.85 mi13:39:483:14:257:497:03
8:15
+0:19
25.2M
25.20 mi13:42:523:17:297:503:04
8:54
+0:39
Finish
26.22 mi13:51:073:25:447:518:15
8:06
-0:48

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

7:36 /mi

Average Pace

7:51 /mi

Slowest Pace

8:54 /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

3:14:18

94% of race

Time at Steady Pace

11:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:51 /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 mi10:49:3724:147:4824:14
7:48
#12346
10K
6.21 mi11:13:3448:117:4523:57
7:43
#12316
15K
9.32 mi11:37:241:12:017:4423:50
7:40
#12030
20K
12.43 mi12:01:121:35:497:4323:48
7:40
#11612
Half
13.11 mi12:06:231:41:007:425:11
7:36
#11581
25K
15.53 mi12:25:041:59:417:4218:41
7:42
#11341
30K
18.64 mi12:49:432:24:207:4524:39
7:56
#11109
20M
20.00 mi13:00:262:35:037:4510:43
7:53
#10954
21M
21.00 mi13:08:482:43:257:478:22
8:22
#10864
35K
21.75 mi13:14:372:49:147:475:49
7:46
#10829
23M
23.00 mi13:24:492:59:267:4810:12
8:09
#10813
24M
24.00 mi13:32:453:07:227:487:56
7:56
#10796
40K
24.85 mi13:39:483:14:257:497:03
8:15
#10810
25.2M
25.20 mi13:42:523:17:297:503:04
8:54
#10823
Finish
26.22 mi13:51:073:25:447:518:15
8:06
#10894
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi123463065306511605(Top 44%)2684(Top 23%)2684(Top 55%)
10K6.21 mi3.10 mi12316+303046+193046+1912345(Top 46%)3059(Top 27%)3059(Top 63%)
15K9.32 mi3.11 mi12030+2862911+1352911+13511605(Top 44%)2684(Top 23%)2684(Top 55%)
20K12.43 mi3.11 mi11612+4182688+2232688+22310609(Top 40%)2208(Top 19%)2208(Top 45%)
Half13.11 mi0.68 mi11581+312673+152673+1511064(Top 42%)2406(Top 21%)2406(Top 49%)
25K15.53 mi2.42 mi11341+2402558+1152558+11510355(Top 39%)2162(Top 19%)2162(Top 44%)
30K18.64 mi3.11 mi11109+2322467+912467+9110407(Top 39%)2355(Top 21%)2355(Top 48%)
20M20.00 mi1.36 mi10954+1552410+572410+579498(Top 36%)2024(Top 18%)2024(Top 41%)
21M21.00 mi1.00 mi10864+902392+182392+189672(Top 36%)2228(Top 20%)2228(Top 46%)
35K21.75 mi0.75 mi10829+352389+32389+310515(Top 39%)2615(Top 23%)2615(Top 54%)
23M23.00 mi1.25 mi10813+162410-212410-2110820(Top 41%)2922(Top 26%)2922(Top 60%)
24M24.00 mi1.00 mi10796+172420-102420-1010794(Top 41%)2973(Top 26%)2973(Top 61%)
40K24.85 mi0.85 mi10810-142456-362456-3611680(Top 44%)3492(Top 31%)3492(Top 71%)
25.2M25.20 mi0.35 mi10823-132478-222478-2211932(Top 45%)3670(Top 32%)3670(Top 75%)
Finish26.22 mi1.02 mi10894-712541-632541-6312756(Top 48%)4080(Top 36%)4080(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11605

Females

2684

F18-39

2684

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

12345

Females

3059

F18-39

3059

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11605

Females

2684

F18-39

2684

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10609

Females

2208

F18-39

2208

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11064

Females

2406

F18-39

2406

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10355

Females

2162

F18-39

2162

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10407

Females

2355

F18-39

2355

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9498

Females

2024

F18-39

2024

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9672

Females

2228

F18-39

2228

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10515

Females

2615

F18-39

2615

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10820

Females

2922

F18-39

2922

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10794

Females

2973

F18-39

2973

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11680

Females

3492

F18-39

3492

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11932

Females

3670

F18-39

3670

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12756

Females

4080

F18-39

4080

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2431*
Passed By
979
Net Change
+1452
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12346
5K → 10K341311+30#12346#12316
10K → 15K36175+286#12316#12030
15K → 20K44527+418#12030#11612
20K → Half5120+31#11612#11581
Half → 25K25919+240#11581#11341
25K → 30K31280+232#11341#11109
30K → 20M176*21+155#11109#10954
20M → 21M12333+90#10954#10864
21M → 35K6429+35#10864#10829
35K → 23M8771+16#10829#10813
23M → 24M7760+17#10813#10796
24M → 40K6377-14#10796#10810
40K → 25.2M2942-13#10810#10823
25.2M → Finish43114-71#10823#10894
TOTALS2431*979+1452

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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