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BOSTON MARATHON 2023

Jenny Ratzel

Bib: 11961•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 15%
Division (F18-39)
#0 / 4884
Top 27%
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
7:46/mi
24:08
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
47:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:09:59
↑ 67↓ 78
20K· 12.43 mi
7:27/mi
1:33:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:38:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:56:28
↑ 66↓ 880.2%
30K· 18.64 mi
7:46/mi
2:20:37
↑ 181↓ 1480.2%
20M
7:58/mi
2:31:27
↑ 64↓ 500.2%
21M
8:23/mi
2:39:50
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:45:25
↑ 17↓ 861.7%
23M
7:52/mi
2:55:16
↑ 23↓ 630.6%
24M
7:36/mi
3:02:52
↓ 821.3%
40K· 24.85 mi
7:47/mi
3:09:31
↓ 200.3%
25.2M
8:13/mi
3:12:21
↑ 13↓ 160.2%
Finish· 26.22 mi
7:06/mi
3:19:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:11
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:41:24
Pace7:44 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0924:087:4624:08
7:46
-
10K
6.21 mi11:14:0647:057:3522:57
7:23
-0:23
15K
9.32 mi11:37:001:09:597:3122:54
7:22
-0:01
20K
12.43 mi12:00:081:33:077:3023:08
7:27
+0:05
Half
13.11 mi12:05:121:38:117:295:04
7:26
-0:01
25K
15.53 mi12:23:291:56:287:3018:17
7:32
+0:06
30K
18.64 mi12:47:382:20:377:3324:09
7:46
+0:14
20M
20.00 mi12:58:282:31:277:3410:50
7:58
+0:12
21M
21.00 mi13:06:512:39:507:378:23
8:23
+0:25
35K
21.75 mi13:12:262:45:257:365:35
7:28
-0:55
23M
23.00 mi13:22:172:55:167:379:51
7:52
+0:24
24M
24.00 mi13:29:533:02:527:377:36
7:36
-0:16
40K
24.85 mi13:36:323:09:317:376:39
7:47
+0:11
25.2M
25.20 mi13:39:223:12:217:382:50
8:13
+0:26
Finish
26.22 mi13:46:363:19:357:377:14
7:06
-1:07

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

7:06 /mi

Average Pace

7:37 /mi

Slowest Pace

8:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:41

84% of race

Time at Steady Pace

23:31

12% of race

Time at Slower Pace

8:23

4% of race

Average Pace: 7:37 /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 mi10:51:0924:087:4624:08
7:46
#12063
10K
6.21 mi11:14:0647:057:3522:57
7:23
#10709
15K
9.32 mi11:37:001:09:597:3122:54
7:22
#10140
20K
12.43 mi12:00:081:33:077:3023:08
7:27
#9764
Half
13.11 mi12:05:121:38:117:295:04
7:26
#9765
25K
15.53 mi12:23:291:56:287:3018:17
7:32
#9631
30K
18.64 mi12:47:382:20:377:3324:09
7:46
#9530
20M
20.00 mi12:58:282:31:277:3410:50
7:58
#9544
21M
21.00 mi13:06:512:39:507:378:23
8:23
#9518
35K
21.75 mi13:12:262:45:257:365:35
7:28
#9463
23M
23.00 mi13:22:172:55:167:379:51
7:52
#9375
24M
24.00 mi13:29:533:02:527:377:36
7:36
#9292
40K
24.85 mi13:36:323:09:317:376:39
7:47
#9244
25.2M
25.20 mi13:39:223:12:217:382:50
8:13
#9213
Finish
26.22 mi13:46:363:19:357:377:14
7:06
#9074
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi12063290129019117(Top 34%)1493(Top 13%)1493(Top 31%)
10K6.21 mi3.10 mi10709+13542179+7222179+7229508(Top 36%)1625(Top 14%)1625(Top 33%)
15K9.32 mi3.11 mi10140+5691880+2991880+2999117(Top 34%)1493(Top 13%)1493(Top 31%)
20K12.43 mi3.11 mi9764+3761734+1461734+1468887(Top 33%)1442(Top 13%)1442(Top 30%)
Half13.11 mi0.68 mi9765-11735-11735-19670(Top 36%)1741(Top 15%)1741(Top 36%)
25K15.53 mi2.42 mi9631+1341700+351700+359102(Top 34%)1595(Top 14%)1595(Top 33%)
30K18.64 mi3.11 mi9530+1011696+41696+49165(Top 34%)1785(Top 16%)1785(Top 37%)
20M20.00 mi1.36 mi9544-141724-281724-2810076(Top 38%)2258(Top 20%)2258(Top 46%)
21M21.00 mi1.00 mi9518+261738-141738-149755(Top 37%)2264(Top 20%)2264(Top 46%)
35K21.75 mi0.75 mi9463+551735+31735+38314(Top 31%)1616(Top 14%)1616(Top 33%)
23M23.00 mi1.25 mi9375+881722+131722+138880(Top 33%)1962(Top 17%)1962(Top 40%)
24M24.00 mi1.00 mi9292+831713+91713+98430(Top 32%)1849(Top 16%)1849(Top 38%)
40K24.85 mi0.85 mi9244+481716-31716-38559(Top 32%)1961(Top 17%)1961(Top 40%)
25.2M25.20 mi0.35 mi9213+311718-21718-27848(Top 29%)1760(Top 15%)1760(Top 36%)
Finish26.22 mi1.02 mi9074+1391681+371681+375848(Top 22%)1024(Top 9%)1024(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9117

Females

1493

F18-39

1493

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9508

Females

1625

F18-39

1625

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9117

Females

1493

F18-39

1493

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8887

Females

1442

F18-39

1442

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9670

Females

1741

F18-39

1741

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9102

Females

1595

F18-39

1595

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9165

Females

1785

F18-39

1785

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10076

Females

2258

F18-39

2258

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9755

Females

2264

F18-39

2264

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8314

Females

1616

F18-39

1616

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8880

Females

1962

F18-39

1962

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8430

Females

1849

F18-39

1849

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8559

Females

1961

F18-39

1961

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7848

Females

1760

F18-39

1760

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5848

Females

1024

F18-39

1024

Passing Analysis

Category:
Athletes Passed
3563*
Passed By
574
Net Change
+2989
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12063
5K → 10K138228+1354#12063#10709
10K → 15K59627+569#10709#10140
15K → 20K404*28+376#10140#9764
20K → Half3435-1#9764#9765
Half → 25K18551+134#9765#9631
25K → 30K218*117+101#9631#9530
30K → 20M7488-14#9530#9544
20M → 21M8660+26#9544#9518
21M → 35K7823+55#9518#9463
35K → 23M12335+88#9463#9375
23M → 24M11128+83#9375#9292
24M → 40K8436+48#9292#9244
40K → 25.2M4413+31#9244#9213
25.2M → Finish1445+139#9213#9074
TOTALS3563*574+2989

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

📊

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