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BOSTON MARATHON 2023

Anna Welton-Arndt

Bib: 13736•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
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
24:07
Rank: #12041
Start → 5K
24:07 | 7:46/mi
10K· 6.21 mi
51:08
Rank: #16034 (-3993)
5K → 10K
27:01 | 8:42/mi
15K· 9.32 mi
1:16:16
Rank: #15698 (+336)
10K → 15K
25:08 | 8:05/mi
20K· 12.43 mi
1:43:05
Rank: #16247 (-549)
15K → 20K
26:49 | 8:38/mi
Half· 13.11 mi
1:48:33
Rank: #16134 (+113)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:08:55
Rank: #16024 (+110)
Half → 25K
20:22 | 8:24/mi
30K· 18.64 mi
2:36:05
Rank: #15962 (+62)
25K → 30K
27:10 | 8:45/mi
20M
2:48:12
Rank: #15965 (-3)
30K → 20M
12:07 | 8:55/mi
21M
2:57:35
Rank: #15917 (+48)
20M → 21M
9:23 | 9:23/mi
35K· 21.75 mi
3:04:07
Rank: #15911 (+6)
21M → 35K
6:32 | 8:44/mi
23M
3:15:33
Rank: #15968 (-57)
35K → 23M
11:26 | 9:08/mi
24M
3:24:14
Rank: #15945 (+23)
23M → 24M
8:41 | 8:41/mi
40K· 24.85 mi
3:31:57
Rank: #15943 (+2)
24M → 40K
7:43 | 9:02/mi
25.2M
3:35:13
Rank: #15916 (+27)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:43:51
Rank: #15895 (+21)
25.2M → Finish
8:38 | 8:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:33
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:55:18
Pace8:48 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1724:077:4624:07
7:46
-
10K
6.21 mi11:19:1851:088:1427:01
8:42
+0:56
15K
9.32 mi11:44:261:16:168:1125:08
8:05
-0:37
20K
12.43 mi12:11:151:43:058:1826:49
8:38
+0:33
Half
13.11 mi12:16:431:48:338:175:28
8:01
-0:37
25K
15.53 mi12:37:052:08:558:1820:22
8:24
+0:23
30K
18.64 mi13:04:152:36:058:2227:10
8:45
+0:21
20M
20.00 mi13:16:222:48:128:2512:07
8:55
+0:10
21M
21.00 mi13:25:452:57:358:279:23
9:23
+0:28
35K
21.75 mi13:32:173:04:078:286:32
8:44
-0:39
23M
23.00 mi13:43:433:15:338:3011:26
9:08
+0:24
24M
24.00 mi13:52:243:24:148:318:41
8:41
-0:27
40K
24.85 mi14:00:073:31:578:327:43
9:02
+0:21
25.2M
25.20 mi14:03:233:35:138:323:16
9:28
+0:26
Finish
26.22 mi14:12:013:43:518:338:38
8:28
-1:00

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

7:46 /mi

Average Pace

8:33 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:43

37% of race

Time at Steady Pace

1:48:20

48% of race

Time at Slower Pace

31:48

14% of race

Average Pace: 8:32 /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 mi10:52:1724:077:4624:07
7:46
#12041
10K
6.21 mi11:19:1851:088:1427:01
8:42
#16034
15K
9.32 mi11:44:261:16:168:1125:08
8:05
#15698
20K
12.43 mi12:11:151:43:058:1826:49
8:38
#16247
Half
13.11 mi12:16:431:48:338:175:28
8:01
#16134
25K
15.53 mi12:37:052:08:558:1820:22
8:24
#16024
30K
18.64 mi13:04:152:36:058:2227:10
8:45
#15962
20M
20.00 mi13:16:222:48:128:2512:07
8:55
#15965
21M
21.00 mi13:25:452:57:358:279:23
9:23
#15917
35K
21.75 mi13:32:173:04:078:286:32
8:44
#15911
23M
23.00 mi13:43:433:15:338:3011:26
9:08
#15968
24M
24.00 mi13:52:243:24:148:318:41
8:41
#15945
40K
24.85 mi14:00:073:31:578:327:43
9:02
#15943
25.2M
25.20 mi14:03:233:35:138:323:16
9:28
#15916
Finish
26.22 mi14:12:013:43:518:338:38
8:28
#15895
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi120412897289715108(Top 57%)4740(Top 41%)4740(Top 97%)
10K6.21 mi3.10 mi16034-39935300-24035300-240319405(Top 73%)7315(Top 64%)7315(Top 150%)
15K9.32 mi3.11 mi15698+3365095+2055095+20515108(Top 57%)4740(Top 41%)4740(Top 97%)
20K12.43 mi3.11 mi16247-5495452-3575452-35717689(Top 66%)6334(Top 55%)6334(Top 130%)
Half13.11 mi0.68 mi16134+1135395+575395+5714583(Top 55%)4452(Top 39%)4452(Top 91%)
25K15.53 mi2.42 mi16024+1105353+425353+4215594(Top 59%)5203(Top 46%)5203(Top 107%)
30K18.64 mi3.11 mi15962+625347+65347+615755(Top 59%)5357(Top 47%)5357(Top 110%)
20M20.00 mi1.36 mi15965-35376-295376-2916104(Top 60%)5627(Top 49%)5627(Top 115%)
21M21.00 mi1.00 mi15917+485363+135363+1315424(Top 58%)5301(Top 46%)5301(Top 109%)
35K21.75 mi0.75 mi15911+65377-145377-1416605(Top 62%)6045(Top 53%)6045(Top 124%)
23M23.00 mi1.25 mi15968-575443-665443-6616702(Top 63%)6133(Top 54%)6133(Top 126%)
24M24.00 mi1.00 mi15945+235441+25441+215590(Top 59%)5580(Top 49%)5580(Top 114%)
40K24.85 mi0.85 mi15943+25448-75448-716298(Top 61%)6023(Top 53%)6023(Top 123%)
25.2M25.20 mi0.35 mi15916+275437+115437+1115121(Top 57%)5375(Top 47%)5375(Top 110%)
Finish26.22 mi1.02 mi15895+215425+125425+1215264(Top 57%)5407(Top 47%)5407(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

15108

Females

4740

F18-39

4740

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19405

Females

7315

F18-39

7315

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

15108

Females

4740

F18-39

4740

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17689

Females

6334

F18-39

6334

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14583

Females

4452

F18-39

4452

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15594

Females

5203

F18-39

5203

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15755

Females

5357

F18-39

5357

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16104

Females

5627

F18-39

5627

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15424

Females

5301

F18-39

5301

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16605

Females

6045

F18-39

6045

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16702

Females

6133

F18-39

6133

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15590

Females

5580

F18-39

5580

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16298

Females

6023

F18-39

6023

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15121

Females

5375

F18-39

5375

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15264

Females

5407

F18-39

5407

Passing Analysis

Category:
Athletes Passed
1532
Passed By
5386
Net Change
-3854
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12041
5K → 10K33996-3993#12041#16034
10K → 15K40771+336#16034#15698
15K → 20K53602-549#15698#16247
20K → Half1185+113#16247#16134
Half → 25K18171+110#16134#16024
25K → 30K202140+62#16024#15962
30K → 20M8891-3#15962#15965
20M → 21M10961+48#15965#15917
21M → 35K5347+6#15917#15911
35K → 23M68125-57#15911#15968
23M → 24M8461+23#15968#15945
24M → 40K5755+2#15945#15943
40K → 25.2M4114+27#15943#15916
25.2M → Finish6847+21#15916#15895
TOTALS15325386-3854
📊

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