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BOSTON MARATHON 2023

Rachael Greuber

Bib: 16829•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 17%
Division (F18-39)
#0 / 4884
Top 31%
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
24:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
48:12
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:12:35
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:37:04
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:42:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
2:00:40
↑ 66↓ 880.2%
30K· 18.64 mi
7:36/mi
2:24:17
↑ 181↓ 1480.2%
20M
7:34/mi
2:34:34
↑ 64↓ 500.2%
21M
7:57/mi
2:42:31
↑ 106↓ 241.6%
35K· 21.75 mi
7:32/mi
2:48:09
↑ 17↓ 861.7%
23M
7:34/mi
2:57:37
↑ 23↓ 630.6%
24M
7:34/mi
3:05:11
↓ 821.3%
40K· 24.85 mi
7:38/mi
3:11:43
↓ 200.3%
25.2M
8:10/mi
3:14:32
↑ 13↓ 160.2%
Finish· 26.22 mi
7:28/mi
3:22:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:42:16
Pace7:48 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:39:53
Pace7:37 /mi
📊Negative Split: 2.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3424:097:4624:09
7:46
-
10K
6.21 mi11:38:3748:127:4524:03
7:44
-0:02
15K
9.32 mi12:03:001:12:357:4724:23
7:51
+0:07
20K
12.43 mi12:27:291:37:047:4924:29
7:53
+0:02
Half
13.11 mi12:32:411:42:167:485:12
7:37
-0:16
25K
15.53 mi12:51:052:00:407:4618:24
7:35
-0:02
30K
18.64 mi13:14:422:24:177:4423:37
7:36
+0:01
20M
20.00 mi13:24:592:34:347:4410:17
7:34
-0:02
21M
21.00 mi13:32:562:42:317:447:57
7:57
+0:23
35K
21.75 mi13:38:342:48:097:445:38
7:32
-0:25
23M
23.00 mi13:48:022:57:377:439:28
7:34
+0:02
24M
24.00 mi13:55:363:05:117:437:34
7:34
0:00
40K
24.85 mi14:02:083:11:437:436:32
7:38
+0:04
25.2M
25.20 mi14:04:573:14:327:432:49
8:10
+0:32
Finish
26.22 mi14:12:343:22:097:437:37
7:28
-0:42

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

7:28 /mi

Average Pace

7:43 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:31

71% of race

Time at Steady Pace

59:38

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi11:14:3424:097:4624:09
7:46
#12116
10K
6.21 mi11:38:3748:127:4524:03
7:44
#12339
15K
9.32 mi12:03:001:12:357:4724:23
7:51
#12553
20K
12.43 mi12:27:291:37:047:4924:29
7:53
#12486
Half
13.11 mi12:32:411:42:167:485:12
7:37
#12414
25K
15.53 mi12:51:052:00:407:4618:24
7:35
#11875
30K
18.64 mi13:14:422:24:177:4423:37
7:36
#11087
20M
20.00 mi13:24:592:34:347:4410:17
7:34
#10757
21M
21.00 mi13:32:562:42:317:447:57
7:57
#10524
35K
21.75 mi13:38:342:48:097:445:38
7:32
#10442
23M
23.00 mi13:48:022:57:377:439:28
7:34
#10198
24M
24.00 mi13:55:363:05:117:437:34
7:34
#10073
40K
24.85 mi14:02:083:11:437:436:32
7:38
#9948
25.2M
25.20 mi14:04:573:14:327:432:49
8:10
#9877
Finish
26.22 mi14:12:343:22:097:437:37
7:28
#9779
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi121162929292913105(Top 49%)3538(Top 31%)3538(Top 72%)
10K6.21 mi3.10 mi12339-2233063-1343063-13412596(Top 47%)3199(Top 28%)3199(Top 65%)
15K9.32 mi3.11 mi12553-2143204-1413204-14113105(Top 49%)3538(Top 31%)3538(Top 72%)
20K12.43 mi3.11 mi12486+673191+133191+1312443(Top 47%)3217(Top 28%)3217(Top 66%)
Half13.11 mi0.68 mi12414+723154+373154+3711241(Top 42%)2472(Top 22%)2472(Top 51%)
25K15.53 mi2.42 mi11875+5392856+2982856+2989477(Top 36%)1768(Top 15%)1768(Top 36%)
30K18.64 mi3.11 mi11087+7882450+4062450+4067964(Top 30%)1296(Top 11%)1296(Top 27%)
20M20.00 mi1.36 mi10757+3302312+1382312+1387315(Top 27%)1153(Top 10%)1153(Top 24%)
21M21.00 mi1.00 mi10524+2332216+962216+967078(Top 27%)1173(Top 10%)1173(Top 24%)
35K21.75 mi0.75 mi10442+822190+262190+268792(Top 33%)1825(Top 16%)1825(Top 37%)
23M23.00 mi1.25 mi10198+2442096+942096+946840(Top 26%)1123(Top 10%)1123(Top 23%)
24M24.00 mi1.00 mi10073+1252064+322064+328198(Top 31%)1763(Top 15%)1763(Top 36%)
40K24.85 mi0.85 mi9948+1252037+272037+277605(Top 29%)1612(Top 14%)1612(Top 33%)
25.2M25.20 mi0.35 mi9877+712017+202017+207588(Top 29%)1658(Top 15%)1658(Top 34%)
Finish26.22 mi1.02 mi9779+981999+181999+188393(Top 32%)1994(Top 17%)1994(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13105

Females

3538

F18-39

3538

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12596

Females

3199

F18-39

3199

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13105

Females

3538

F18-39

3538

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12443

Females

3217

F18-39

3217

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11241

Females

2472

F18-39

2472

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9477

Females

1768

F18-39

1768

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

7964

Females

1296

F18-39

1296

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7315

Females

1153

F18-39

1153

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7078

Females

1173

F18-39

1173

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8792

Females

1825

F18-39

1825

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6840

Females

1123

F18-39

1123

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8198

Females

1763

F18-39

1763

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7605

Females

1612

F18-39

1612

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7588

Females

1658

F18-39

1658

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8393

Females

1994

F18-39

1994

Passing Analysis

Category:
Athletes Passed
3340*
Passed By
1003
Net Change
+2337
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12116
5K → 10K213436-223#12116#12339
10K → 15K122336-214#12339#12553
15K → 20K205138+67#12553#12486
20K → Half797+72#12486#12414
Half → 25K5423+539#12414#11875
25K → 30K7902+788#11875#11087
30K → 20M331*1+330#11087#10757
20M → 21M2352+233#10757#10524
21M → 35K9715+82#10524#10442
35K → 23M2484+244#10442#10198
23M → 24M14318+125#10198#10073
24M → 40K135*10+125#10073#9948
40K → 25.2M765+71#9948#9877
25.2M → Finish124*26+98#9877#9779
TOTALS3340*1003+2337

* 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