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BOSTON MARATHON 2023

Emily Anderson

Bib: 17869•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:27
Rank: #13007
Start → 5K
24:27 | 7:52/mi
10K· 6.21 mi
48:21
Rank: #12533 (+474)
5K → 10K
23:54 | 7:42/mi
15K· 9.32 mi
1:12:24
Rank: #12381 (+152)
10K → 15K
24:03 | 7:44/mi
20K· 12.43 mi
1:36:41
Rank: #12216 (+165)
15K → 20K
24:17 | 7:49/mi
Half· 13.11 mi
1:41:57
Rank: #12212 (+4)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
2:00:58
Rank: #12073 (+139)
Half → 25K
19:01 | 7:51/mi
30K· 18.64 mi
2:25:45
Rank: #11773 (+300)
25K → 30K
24:47 | 7:59/mi
20M
2:36:40
Rank: #11657 (+116)
30K → 20M
10:55 | 8:02/mi
21M
2:45:09
Rank: #11555 (+102)
20M → 21M
8:29 | 8:29/mi
35K· 21.75 mi
2:50:51
Rank: #11454 (+101)
21M → 35K
5:42 | 7:37/mi
23M
3:00:50
Rank: #11320 (+134)
35K → 23M
9:59 | 7:58/mi
24M
3:08:39
Rank: #11250 (+70)
23M → 24M
7:49 | 7:49/mi
40K· 24.85 mi
3:15:34
Rank: #11201 (+49)
24M → 40K
6:55 | 8:05/mi
25.2M
3:18:32
Rank: #11158 (+43)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:26:38
Rank: #11173 (-15)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:57
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:44:41
Pace7:59 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5724:277:5224:27
7:52
-
10K
6.21 mi11:38:5148:217:4723:54
7:42
-0:10
15K
9.32 mi12:02:541:12:247:4624:03
7:44
+0:02
20K
12.43 mi12:27:111:36:417:4724:17
7:49
+0:05
Half
13.11 mi12:32:271:41:577:475:16
7:43
-0:06
25K
15.53 mi12:51:282:00:587:4719:01
7:51
+0:08
30K
18.64 mi13:16:152:25:457:4924:47
7:59
+0:08
20M
20.00 mi13:27:102:36:407:5010:55
8:02
+0:03
21M
21.00 mi13:35:392:45:097:528:29
8:29
+0:27
35K
21.75 mi13:41:212:50:517:515:42
7:37
-0:52
23M
23.00 mi13:51:203:00:507:529:59
7:58
+0:21
24M
24.00 mi13:59:093:08:397:527:49
7:49
-0:09
40K
24.85 mi14:06:043:15:347:526:55
8:05
+0:16
25.2M
25.20 mi14:09:023:18:327:532:58
8:36
+0:31
Finish
26.22 mi14:17:083:26:387:538:06
7:57
-0:39

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

7:37 /mi

Average Pace

7:53 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:11

94% of race

Time at Steady Pace

11:27

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi11:14:5724:277:5224:27
7:52
#13007
10K
6.21 mi11:38:5148:217:4723:54
7:42
#12533
15K
9.32 mi12:02:541:12:247:4624:03
7:44
#12381
20K
12.43 mi12:27:111:36:417:4724:17
7:49
#12216
Half
13.11 mi12:32:271:41:577:475:16
7:43
#12212
25K
15.53 mi12:51:282:00:587:4719:01
7:51
#12073
30K
18.64 mi13:16:152:25:457:4924:47
7:59
#11773
20M
20.00 mi13:27:102:36:407:5010:55
8:02
#11657
21M
21.00 mi13:35:392:45:097:528:29
8:29
#11555
35K
21.75 mi13:41:212:50:517:515:42
7:37
#11454
23M
23.00 mi13:51:203:00:507:529:59
7:58
#11320
24M
24.00 mi13:59:093:08:397:527:49
7:49
#11250
40K
24.85 mi14:06:043:15:347:526:55
8:05
#11201
25.2M
25.20 mi14:09:023:18:327:532:58
8:36
#11158
Finish
26.22 mi14:17:083:26:387:538:06
7:57
#11173
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130073440344012217(Top 46%)3023(Top 26%)3023(Top 62%)
10K6.21 mi3.10 mi12533+4743175+2653175+26512172(Top 46%)2965(Top 26%)2965(Top 61%)
15K9.32 mi3.11 mi12381+1523110+653110+6512217(Top 46%)3023(Top 26%)3023(Top 62%)
20K12.43 mi3.11 mi12216+1653042+683042+6811881(Top 45%)2895(Top 25%)2895(Top 59%)
Half13.11 mi0.68 mi12212+43045-33045-312073(Top 45%)2951(Top 26%)2951(Top 60%)
25K15.53 mi2.42 mi12073+1392981+642981+6411465(Top 43%)2747(Top 24%)2747(Top 56%)
30K18.64 mi3.11 mi11773+3002848+1332848+13310718(Top 40%)2503(Top 22%)2503(Top 51%)
20M20.00 mi1.36 mi11657+1162802+462802+4610544(Top 40%)2511(Top 22%)2511(Top 51%)
21M21.00 mi1.00 mi11555+1022763+392763+3910413(Top 39%)2584(Top 23%)2584(Top 53%)
35K21.75 mi0.75 mi11454+1012718+452718+459456(Top 36%)2133(Top 19%)2133(Top 44%)
23M23.00 mi1.25 mi11320+1342671+472671+479593(Top 36%)2303(Top 20%)2303(Top 47%)
24M24.00 mi1.00 mi11250+702652+192652+199958(Top 37%)2576(Top 23%)2576(Top 53%)
40K24.85 mi0.85 mi11201+492654-22654-210663(Top 40%)2967(Top 26%)2967(Top 61%)
25.2M25.20 mi0.35 mi11158+432645+92645+910223(Top 38%)2803(Top 25%)2803(Top 57%)
Finish26.22 mi1.02 mi11173-152676-312676-3111748(Top 44%)3568(Top 31%)3568(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12217

Females

3023

F18-39

3023

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

12172

Females

2965

F18-39

2965

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12217

Females

3023

F18-39

3023

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

11881

Females

2895

F18-39

2895

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12073

Females

2951

F18-39

2951

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11465

Females

2747

F18-39

2747

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10718

Females

2503

F18-39

2503

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10544

Females

2511

F18-39

2511

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10413

Females

2584

F18-39

2584

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9456

Females

2133

F18-39

2133

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9593

Females

2303

F18-39

2303

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9958

Females

2576

F18-39

2576

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10663

Females

2967

F18-39

2967

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10223

Females

2803

F18-39

2803

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11748

Females

3568

F18-39

3568

Passing Analysis

Category:
Athletes Passed
2614
Passed By
780
Net Change
+1834
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13007
5K → 10K611137+474#13007#12533
10K → 15K278126+152#12533#12381
15K → 20K25691+165#12381#12216
20K → Half3531+4#12216#12212
Half → 25K19960+139#12212#12073
25K → 30K35252+300#12073#11773
30K → 20M15135+116#11773#11657
20M → 21M14442+102#11657#11555
21M → 35K1087+101#11555#11454
35K → 23M17440+134#11454#11320
23M → 24M9828+70#11320#11250
24M → 40K8637+49#11250#11201
40K → 25.2M5714+43#11201#11158
25.2M → Finish6580-15#11158#11173
TOTALS2614780+1834
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing