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BOSTON MARATHON 2023

Dale Erdmier

Bib: 18118•F

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:19/mi
25:50
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
51:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:06/mi
1:16:12
↑ 67↓ 78
20K· 12.43 mi
8:16/mi
1:41:53
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:47:27
↑ 19↓ 370.5%
25K· 15.53 mi
8:16/mi
2:07:30
↑ 66↓ 880.2%
30K· 18.64 mi
8:19/mi
2:33:20
↑ 181↓ 1480.2%
20M
8:23/mi
2:44:44
↑ 64↓ 500.2%
21M
8:34/mi
2:53:18
↑ 106↓ 241.6%
35K· 21.75 mi
8:11/mi
2:59:25
↑ 17↓ 861.7%
23M
8:22/mi
3:09:53
↑ 23↓ 630.6%
24M
8:11/mi
3:18:04
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:25:07
↓ 200.3%
25.2M
8:45/mi
3:28:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:49/mi
3:36:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:27
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:48:39
Pace8:17 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0225:508:1925:50
8:19
-
10K
6.21 mi11:42:1451:028:1325:12
8:07
-0:12
15K
9.32 mi12:07:241:16:128:1125:10
8:06
-0:01
20K
12.43 mi12:33:051:41:538:1225:41
8:16
+0:10
Half
13.11 mi12:38:391:47:278:125:34
8:10
-0:06
25K
15.53 mi12:58:422:07:308:1220:03
8:16
+0:06
30K
18.64 mi13:24:322:33:208:1425:50
8:19
+0:03
20M
20.00 mi13:35:562:44:448:1411:24
8:23
+0:04
21M
21.00 mi13:44:302:53:188:158:34
8:34
+0:11
35K
21.75 mi13:50:372:59:258:156:07
8:11
-0:23
23M
23.00 mi14:01:053:09:538:1510:28
8:22
+0:11
24M
24.00 mi14:09:163:18:048:158:11
8:11
-0:11
40K
24.85 mi14:16:193:25:078:157:03
8:15
+0:04
25.2M
25.20 mi14:19:203:28:088:163:01
8:45
+0:30
Finish
26.22 mi14:27:183:36:068:157:58
7:49
-0:56

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

7:49 /mi

Average Pace

8:15 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:05

99% of race

Time at Steady Pace

3:01

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:15 /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 mi11:17:0225:508:1925:50
8:19
#16262
10K
6.21 mi11:42:1451:028:1325:12
8:07
#15908
15K
9.32 mi12:07:241:16:128:1125:10
8:06
#15640
20K
12.43 mi12:33:051:41:538:1225:41
8:16
#15552
Half
13.11 mi12:38:391:47:278:125:34
8:10
#15552
25K
15.53 mi12:58:422:07:308:1220:03
8:16
#15401
30K
18.64 mi13:24:322:33:208:1425:50
8:19
#14977
20M
20.00 mi13:35:562:44:448:1411:24
8:23
#14822
21M
21.00 mi13:44:302:53:188:158:34
8:34
#14564
35K
21.75 mi13:50:372:59:258:156:07
8:11
#14526
23M
23.00 mi14:01:053:09:538:1510:28
8:22
#14376
24M
24.00 mi14:09:163:18:048:158:11
8:11
#14271
40K
24.85 mi14:16:193:25:078:157:03
8:15
#14152
25.2M
25.20 mi14:19:203:28:088:163:01
8:45
#14086
Finish
26.22 mi14:27:183:36:068:157:58
7:49
#13941
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi162625443544315177(Top 57%)4777(Top 42%)4777(Top 98%)
10K6.21 mi3.10 mi15908+3545230+2135230+21315594(Top 59%)5011(Top 44%)5011(Top 103%)
15K9.32 mi3.11 mi15640+2685060+1705060+17015177(Top 57%)4777(Top 42%)4777(Top 98%)
20K12.43 mi3.11 mi15552+885023+375023+3715396(Top 58%)4960(Top 43%)4960(Top 102%)
Half13.11 mi0.68 mi155525030-75030-715505(Top 58%)4977(Top 44%)4977(Top 102%)
25K15.53 mi2.42 mi15401+1514963+674963+6714734(Top 55%)4663(Top 41%)4663(Top 95%)
30K18.64 mi3.11 mi14977+4244730+2334730+23313122(Top 49%)3826(Top 33%)3826(Top 78%)
20M20.00 mi1.36 mi14822+1554651+794651+7912988(Top 49%)3857(Top 34%)3857(Top 79%)
21M21.00 mi1.00 mi14564+2584531+1204531+12010920(Top 41%)2836(Top 25%)2836(Top 58%)
35K21.75 mi0.75 mi14526+384517+144517+1413313(Top 50%)4175(Top 37%)4175(Top 85%)
23M23.00 mi1.25 mi14376+1504457+604457+6012340(Top 46%)3718(Top 33%)3718(Top 76%)
24M24.00 mi1.00 mi14271+1054415+424415+4212518(Top 47%)3873(Top 34%)3873(Top 79%)
40K24.85 mi0.85 mi14152+1194367+484367+4811719(Top 44%)3531(Top 31%)3531(Top 72%)
25.2M25.20 mi0.35 mi14086+664329+384329+3811129(Top 42%)3287(Top 29%)3287(Top 67%)
Finish26.22 mi1.02 mi13941+1454259+704259+7010853(Top 41%)3127(Top 27%)3127(Top 64%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15177

Females

4777

F18-39

4777

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15594

Females

5011

F18-39

5011

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15177

Females

4777

F18-39

4777

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15396

Females

4960

F18-39

4960

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15505

Females

4977

F18-39

4977

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14734

Females

4663

F18-39

4663

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13122

Females

3826

F18-39

3826

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12988

Females

3857

F18-39

3857

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10920

Females

2836

F18-39

2836

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13313

Females

4175

F18-39

4175

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12340

Females

3718

F18-39

3718

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12518

Females

3873

F18-39

3873

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11719

Females

3531

F18-39

3531

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11129

Females

3287

F18-39

3287

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10853

Females

3127

F18-39

3127

Passing Analysis

Category:
Athletes Passed
2901
Passed By
580
Net Change
+2321
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16262
5K → 10K507153+354#16262#15908
10K → 15K34779+268#15908#15640
15K → 20K215127+88#15640#15552
20K → Half28280#15552#15552
Half → 25K21160+151#15552#15401
25K → 30K44521+424#15401#14977
30K → 20M16712+155#14977#14822
20M → 21M2624+258#14822#14564
21M → 35K6527+38#14564#14526
35K → 23M16313+150#14526#14376
23M → 24M13227+105#14376#14271
24M → 40K13112+119#14271#14152
40K → 25.2M748+66#14152#14086
25.2M → Finish1549+145#14086#13941
TOTALS2901580+2321
📊

Passing Visuals

Category:
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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