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BOSTON MARATHON 2023

Lily Guttentag

Bib: 26748•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
29:26
Rank: #22018
Start → 5K
29:26 | 9:28/mi
10K· 6.21 mi
57:23
Rank: #21517 (+501)
5K → 10K
27:57 | 9:00/mi
15K· 9.32 mi
1:25:56
Rank: #21432 (+85)
10K → 15K
28:33 | 9:11/mi
20K· 12.43 mi
1:55:10
Rank: #21411 (+21)
15K → 20K
29:14 | 9:25/mi
Half· 13.11 mi
2:01:25
Rank: #21388 (+23)
20K → Half
6:15 | 9:10/mi
25K· 15.53 mi
2:24:42
Rank: #21329 (+59)
Half → 25K
23:17 | 9:36/mi
30K· 18.64 mi
2:56:10
Rank: #21325 (+4)
25K → 30K
31:28 | 10:08/mi
20M
3:10:12
Rank: #21310 (+15)
30K → 20M
14:02 | 10:20/mi
21M
3:20:54
Rank: #21247 (+63)
20M → 21M
10:42 | 10:42/mi
35K· 21.75 mi
3:28:50
Rank: #21304 (-57)
21M → 35K
7:56 | 10:36/mi
23M
3:42:00
Rank: #21302 (+2)
35K → 23M
13:10 | 10:31/mi
24M
3:52:13
Rank: #21295 (+7)
23M → 24M
10:13 | 10:13/mi
40K· 24.85 mi
4:01:05
Rank: #21275 (+20)
24M → 40K
8:52 | 10:22/mi
25.2M
4:04:54
Rank: #21262 (+13)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:15:11
Rank: #21277 (-15)
25.2M → Finish
10:17 | 10:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:25
Pace9:16 /mi
2nd Half
Distance13.11 mi
Time2:13:46
Pace10:12 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:0129:269:2829:26
9:28
-
10K
6.21 mi12:13:5857:239:1427:57
9:00
-0:28
15K
9.32 mi12:42:311:25:569:1328:33
9:11
+0:11
20K
12.43 mi13:11:451:55:109:1629:14
9:25
+0:14
Half
13.11 mi13:18:002:01:259:166:15
9:10
-0:15
25K
15.53 mi13:41:172:24:429:1923:17
9:36
+0:26
30K
18.64 mi14:12:452:56:109:2731:28
10:08
+0:32
20M
20.00 mi14:26:473:10:129:3114:02
10:20
+0:12
21M
21.00 mi14:37:293:20:549:3410:42
10:42
+0:22
35K
21.75 mi14:45:253:28:509:367:56
10:36
-0:06
23M
23.00 mi14:58:353:42:009:3913:10
10:31
-0:05
24M
24.00 mi15:08:483:52:139:4110:13
10:13
-0:18
40K
24.85 mi15:17:404:01:059:428:52
10:22
+0:09
25.2M
25.20 mi15:21:294:04:549:433:49
11:04
+0:42
Finish
26.22 mi15:31:464:15:119:4410:17
10:05
-0:59

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

9:00 /mi

Average Pace

9:44 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:42

57% of race

Time at Steady Pace

1:14:52

29% of race

Time at Slower Pace

35:37

14% of race

Average Pace: 9:44 /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 mi11:46:0129:269:2829:26
9:28
#22018
10K
6.21 mi12:13:5857:239:1427:57
9:00
#21517
15K
9.32 mi12:42:311:25:569:1328:33
9:11
#21432
20K
12.43 mi13:11:451:55:109:1629:14
9:25
#21411
Half
13.11 mi13:18:002:01:259:166:15
9:10
#21388
25K
15.53 mi13:41:172:24:429:1923:17
9:36
#21329
30K
18.64 mi14:12:452:56:109:2731:28
10:08
#21325
20M
20.00 mi14:26:473:10:129:3114:02
10:20
#21310
21M
21.00 mi14:37:293:20:549:3410:42
10:42
#21247
35K
21.75 mi14:45:253:28:509:367:56
10:36
#21304
23M
23.00 mi14:58:353:42:009:3913:10
10:31
#21302
24M
24.00 mi15:08:483:52:139:4110:13
10:13
#21295
40K
24.85 mi15:17:404:01:059:428:52
10:22
#21275
25.2M
25.20 mi15:21:294:04:549:433:49
11:04
#21262
Finish
26.22 mi15:31:464:15:119:4410:17
10:05
#21277
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi220188889888921275(Top 80%)8389(Top 73%)8389(Top 172%)
10K6.21 mi3.10 mi21517+5018592+2978592+29720874(Top 78%)8197(Top 72%)8197(Top 168%)
15K9.32 mi3.11 mi21432+858516+768516+7621275(Top 80%)8389(Top 73%)8389(Top 172%)
20K12.43 mi3.11 mi21411+218500+168500+1621273(Top 80%)8388(Top 73%)8388(Top 172%)
Half13.11 mi0.68 mi21388+238485+158485+1521065(Top 79%)8289(Top 73%)8289(Top 170%)
25K15.53 mi2.42 mi21329+598445+408445+4021148(Top 79%)8350(Top 73%)8350(Top 171%)
30K18.64 mi3.11 mi21325+48465-208465-2021364(Top 80%)8552(Top 75%)8552(Top 175%)
20M20.00 mi1.36 mi21310+158470-58470-521343(Top 80%)8605(Top 75%)8605(Top 176%)
21M21.00 mi1.00 mi21247+638448+228448+2220162(Top 76%)8014(Top 70%)8014(Top 164%)
35K21.75 mi0.75 mi21304-578484-368484-3622587(Top 85%)9361(Top 82%)9361(Top 192%)
23M23.00 mi1.25 mi21302+28500-168500-1621362(Top 80%)8717(Top 76%)8717(Top 178%)
24M24.00 mi1.00 mi21295+78505-58505-521379(Top 80%)8773(Top 77%)8773(Top 180%)
40K24.85 mi0.85 mi21275+208501+48501+420927(Top 79%)8558(Top 75%)8558(Top 175%)
25.2M25.20 mi0.35 mi21262+138497+48497+420633(Top 78%)8394(Top 73%)8394(Top 172%)
Finish26.22 mi1.02 mi21277-158512-158512-1522010(Top 83%)9121(Top 80%)9121(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

21275

Females

8389

F18-39

8389

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

20874

Females

8197

F18-39

8197

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

21275

Females

8389

F18-39

8389

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21273

Females

8388

F18-39

8388

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

21065

Females

8289

F18-39

8289

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

21148

Females

8350

F18-39

8350

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21364

Females

8552

F18-39

8552

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21343

Females

8605

F18-39

8605

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20162

Females

8014

F18-39

8014

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22587

Females

9361

F18-39

9361

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21362

Females

8717

F18-39

8717

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21379

Females

8773

F18-39

8773

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20927

Females

8558

F18-39

8558

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20633

Females

8394

F18-39

8394

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22010

Females

9121

F18-39

9121

Passing Analysis

Category:
Athletes Passed
1635
Passed By
894
Net Change
+741
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22018
5K → 10K57877+501#22018#21517
10K → 15K212127+85#21517#21432
15K → 20K147126+21#21432#21411
20K → Half3613+23#21411#21388
Half → 25K12061+59#21388#21329
25K → 30K130126+4#21329#21325
30K → 20M7964+15#21325#21310
20M → 21M9936+63#21310#21247
21M → 35K1370-57#21247#21304
35K → 23M6765+2#21304#21302
23M → 24M4740+7#21302#21295
24M → 40K5232+20#21295#21275
40K → 25.2M2815+13#21275#21262
25.2M → Finish2742-15#21262#21277
TOTALS1635894+741
📊

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