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BOSTON MARATHON 2023

Anna Steinman

Bib: 4303•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Female)
#0 / 11423
Top 0.5%
Division (F18-39)
#0 / 4884
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:12
Rank: #2299
Start → 5K
20:12 | 6:30/mi
10K· 6.21 mi
39:40
Rank: #1914 (+385)
5K → 10K
19:28 | 6:16/mi
15K· 9.32 mi
58:57
Rank: #1690 (+224)
10K → 15K
19:17 | 6:12/mi
20K· 12.43 mi
1:18:26
Rank: #1574 (+116)
15K → 20K
19:29 | 6:16/mi
Half· 13.11 mi
1:22:39
Rank: #1564 (+10)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:37:52
Rank: #1484 (+80)
Half → 25K
15:13 | 6:17/mi
30K· 18.64 mi
1:57:47
Rank: #1411 (+73)
25K → 30K
19:55 | 6:25/mi
20M
2:06:47
Rank: #1439 (-28)
30K → 20M
9:00 | 6:38/mi
21M
2:13:25
Rank: #1391 (+48)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:17:55
Rank: #1353 (+38)
21M → 35K
4:30 | 6:01/mi
23M
2:25:52
Rank: #1311 (+42)
35K → 23M
7:57 | 6:21/mi
24M
2:32:06
Rank: #1273 (+38)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:37:32
Rank: #1251 (+22)
24M → 40K
5:26 | 6:21/mi
25.2M
2:39:51
Rank: #1240 (+11)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:46:15
Rank: #1237 (+3)
25.2M → Finish
6:24 | 6:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:39
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:23:36
Pace6:23 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5720:126:3020:12
6:30
-
10K
6.21 mi10:41:2539:406:2319:28
6:16
-0:14
15K
9.32 mi11:00:4258:576:1919:17
6:12
-0:04
20K
12.43 mi11:20:111:18:266:1919:29
6:16
+0:04
Half
13.11 mi11:24:241:22:396:184:13
6:11
-0:05
25K
15.53 mi11:39:371:37:526:1815:13
6:17
+0:06
30K
18.64 mi11:59:321:57:476:1919:55
6:25
+0:08
20M
20.00 mi12:08:322:06:476:209:00
6:38
+0:13
21M
21.00 mi12:15:102:13:256:216:38
6:38
0:00
35K
21.75 mi12:19:402:17:556:204:30
6:01
-0:37
23M
23.00 mi12:27:372:25:526:217:57
6:21
+0:20
24M
24.00 mi12:33:512:32:066:206:14
6:14
-0:07
40K
24.85 mi12:39:172:37:326:205:26
6:21
+0:07
25.2M
25.20 mi12:41:362:39:516:212:19
6:43
+0:22
Finish
26.22 mi12:48:002:46:156:216:24
6:17
-0:26

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

6:01 /mi

Average Pace

6:21 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:18

89% of race

Time at Steady Pace

17:57

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:20 /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 mi10:21:5720:126:3020:12
6:30
#2299
10K
6.21 mi10:41:2539:406:2319:28
6:16
#1914
15K
9.32 mi11:00:4258:576:1919:17
6:12
#1690
20K
12.43 mi11:20:111:18:266:1919:29
6:16
#1574
Half
13.11 mi11:24:241:22:396:184:13
6:11
#1564
25K
15.53 mi11:39:371:37:526:1815:13
6:17
#1484
30K
18.64 mi11:59:321:57:476:1919:55
6:25
#1411
20M
20.00 mi12:08:322:06:476:209:00
6:38
#1439
21M
21.00 mi12:15:102:13:256:216:38
6:38
#1391
35K
21.75 mi12:19:402:17:556:204:30
6:01
#1353
23M
23.00 mi12:27:372:25:526:217:57
6:21
#1311
24M
24.00 mi12:33:512:32:066:206:14
6:14
#1273
40K
24.85 mi12:39:172:37:326:205:26
6:21
#1251
25.2M
25.20 mi12:41:362:39:516:212:19
6:43
#1240
Finish
26.22 mi12:48:002:46:156:216:24
6:17
#1237
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi22991051051272(Top 5%)60(Top 0.5%)60(Top 1%)
10K6.21 mi3.10 mi1914+38580+2580+251622(Top 6%)72(Top 0.6%)72(Top 1%)
15K9.32 mi3.11 mi1690+22473+773+71272(Top 5%)60(Top 0.5%)60(Top 1%)
20K12.43 mi3.11 mi1574+11670+370+31293(Top 5%)56(Top 0.5%)56(Top 1%)
Half13.11 mi0.68 mi1564+1069+169+11332(Top 5%)55(Top 0.5%)55(Top 1%)
25K15.53 mi2.42 mi1484+8066+366+31259(Top 5%)55(Top 0.5%)55(Top 1%)
30K18.64 mi3.11 mi1411+7363+363+31249(Top 5%)57(Top 0.5%)57(Top 1%)
20M20.00 mi1.36 mi1439-2863631978(Top 7%)93(Top 0.8%)93(Top 2%)
21M21.00 mi1.00 mi1391+4862+162+1916(Top 3%)47(Top 0.4%)47(Top 1.0%)
35K21.75 mi0.75 mi1353+3861+161+1742(Top 3%)41(Top 0.4%)41(Top 0.8%)
23M23.00 mi1.25 mi1311+4259+259+2973(Top 4%)49(Top 0.4%)49(Top 1%)
24M24.00 mi1.00 mi1273+3858+158+11155(Top 4%)60(Top 0.5%)60(Top 1%)
40K24.85 mi0.85 mi1251+2257+157+11092(Top 4%)60(Top 0.5%)60(Top 1%)
25.2M25.20 mi0.35 mi1240+115757984(Top 4%)47(Top 0.4%)47(Top 1.0%)
Finish26.22 mi1.02 mi1237+357571574(Top 6%)86(Top 0.8%)86(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1272

Females

60

F18-39

60

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1622

Females

72

F18-39

72

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1272

Females

60

F18-39

60

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1293

Females

56

F18-39

56

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1332

Females

55

F18-39

55

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1259

Females

55

F18-39

55

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1249

Females

57

F18-39

57

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1978

Females

93

F18-39

93

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

916

Females

47

F18-39

47

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

742

Females

41

F18-39

41

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

973

Females

49

F18-39

49

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1155

Females

60

F18-39

60

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1092

Females

60

F18-39

60

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

984

Females

47

F18-39

47

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1574

Females

86

F18-39

86

Passing Analysis

Category:
Athletes Passed
1187
Passed By
125
Net Change
+1062
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2299
5K → 10K3927+385#2299#1914
10K → 15K2273+224#1914#1690
15K → 20K1248+116#1690#1574
20K → Half155+10#1574#1564
Half → 25K844+80#1564#1484
25K → 30K9522+73#1484#1411
30K → 20M937-28#1411#1439
20M → 21M546+48#1439#1391
21M → 35K391+38#1391#1353
35K → 23M497+42#1353#1311
23M → 24M413+38#1311#1273
24M → 40K297+22#1273#1251
40K → 25.2M143+11#1251#1240
25.2M → Finish1512+3#1240#1237
TOTALS1187125+1062
📊

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