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BOSTON MARATHON 2023

Renata De Marsillac

Bib: 14680•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
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
22:52
Rank: #8531
Start → 5K
22:52 | 7:22/mi
10K· 6.21 mi
46:40
Rank: #10143 (-1612)
5K → 10K
23:48 | 7:40/mi
15K· 9.32 mi
1:11:08
Rank: #11223 (-1080)
10K → 15K
24:28 | 7:53/mi
20K· 12.43 mi
1:36:19
Rank: #11974 (-751)
15K → 20K
25:11 | 8:06/mi
Half· 13.11 mi
1:41:56
Rank: #12202 (-228)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
2:02:29
Rank: #12920 (-718)
Half → 25K
20:33 | 8:29/mi
30K· 18.64 mi
2:30:09
Rank: #13730 (-810)
25K → 30K
27:40 | 8:54/mi
20M
2:42:35
Rank: #14072 (-342)
30K → 20M
12:26 | 9:09/mi
21M
2:52:27
Rank: #14296 (-224)
20M → 21M
9:52 | 9:52/mi
35K· 21.75 mi
2:59:28
Rank: #14537 (-241)
21M → 35K
7:01 | 9:23/mi
23M
3:10:49
Rank: #14643 (-106)
35K → 23M
11:21 | 9:04/mi
24M
3:20:08
Rank: #14832 (-189)
23M → 24M
9:19 | 9:19/mi
40K· 24.85 mi
3:27:23
Rank: #14736 (+96)
24M → 40K
7:15 | 8:29/mi
25.2M
3:30:52
Rank: #14792 (-56)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:39:25
Rank: #14791 (+1)
25.2M → Finish
8:33 | 8:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:56
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:57:29
Pace8:58 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0322:527:2222:52
7:22
-
10K
6.21 mi11:17:5146:407:3123:48
7:40
+0:18
15K
9.32 mi11:42:191:11:087:3824:28
7:53
+0:13
20K
12.43 mi12:07:301:36:197:4525:11
8:06
+0:13
Half
13.11 mi12:13:071:41:567:475:37
8:14
+0:08
25K
15.53 mi12:33:402:02:297:5320:33
8:29
+0:15
30K
18.64 mi13:01:202:30:098:0327:40
8:54
+0:25
20M
20.00 mi13:13:462:42:358:0812:26
9:09
+0:15
21M
21.00 mi13:23:382:52:278:139:52
9:52
+0:43
35K
21.75 mi13:30:392:59:288:157:01
9:23
-0:29
23M
23.00 mi13:42:003:10:498:1811:21
9:04
-0:19
24M
24.00 mi13:51:193:20:088:209:19
9:19
+0:15
40K
24.85 mi13:58:343:27:238:217:15
8:29
-0:50
25.2M
25.20 mi14:02:033:30:528:223:29
10:06
+1:37
Finish
26.22 mi14:10:363:39:258:228:33
8:23
-1:43

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

7:22 /mi

Average Pace

8:22 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:08

32% of race

Time at Steady Pace

1:07:09

31% of race

Time at Slower Pace

1:21:08

37% of race

Average Pace: 8:22 /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 mi10:54:0322:527:2222:52
7:22
#8531
10K
6.21 mi11:17:5146:407:3123:48
7:40
#10143
15K
9.32 mi11:42:191:11:087:3824:28
7:53
#11223
20K
12.43 mi12:07:301:36:197:4525:11
8:06
#11974
Half
13.11 mi12:13:071:41:567:475:37
8:14
#12202
25K
15.53 mi12:33:402:02:297:5320:33
8:29
#12920
30K
18.64 mi13:01:202:30:098:0327:40
8:54
#13730
20M
20.00 mi13:13:462:42:358:0812:26
9:09
#14072
21M
21.00 mi13:23:382:52:278:139:52
9:52
#14296
35K
21.75 mi13:30:392:59:288:157:01
9:23
#14537
23M
23.00 mi13:42:003:10:498:1811:21
9:04
#14643
24M
24.00 mi13:51:193:20:088:209:19
9:19
#14832
40K
24.85 mi13:58:343:27:238:217:15
8:29
#14736
25.2M
25.20 mi14:02:033:30:528:223:29
10:06
#14792
Finish
26.22 mi14:10:363:39:258:228:33
8:23
#14791
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi85311207120713326(Top 50%)3687(Top 32%)3687(Top 75%)
10K6.21 mi3.10 mi10143-16121903-6961903-69611912(Top 45%)2819(Top 25%)2819(Top 58%)
15K9.32 mi3.11 mi11223-10802451-5482451-54813326(Top 50%)3687(Top 32%)3687(Top 75%)
20K12.43 mi3.11 mi11974-7512899-4482899-44814271(Top 54%)4272(Top 37%)4272(Top 87%)
Half13.11 mi0.68 mi12202-2283040-1413040-14116035(Top 60%)5303(Top 46%)5303(Top 109%)
25K15.53 mi2.42 mi12920-7183462-4223462-42216052(Top 60%)5470(Top 48%)5470(Top 112%)
30K18.64 mi3.11 mi13730-8103979-5173979-51716678(Top 63%)5874(Top 51%)5874(Top 120%)
20M20.00 mi1.36 mi14072-3424214-2354214-23517312(Top 65%)6339(Top 55%)6339(Top 130%)
21M21.00 mi1.00 mi14296-2244380-1664380-16617515(Top 66%)6483(Top 57%)6483(Top 133%)
35K21.75 mi0.75 mi14537-2414524-1444524-14419449(Top 73%)7622(Top 67%)7622(Top 156%)
23M23.00 mi1.25 mi14643-1064615-914615-9116387(Top 62%)5959(Top 52%)5959(Top 122%)
24M24.00 mi1.00 mi14832-1894749-1344749-13418523(Top 70%)7174(Top 63%)7174(Top 147%)
40K24.85 mi0.85 mi14736+964724+254724+2513241(Top 50%)4339(Top 38%)4339(Top 89%)
25.2M25.20 mi0.35 mi14792-564768-444768-4417779(Top 67%)6829(Top 60%)6829(Top 140%)
Finish26.22 mi1.02 mi14791+14785-174785-1714692(Top 55%)5089(Top 45%)5089(Top 104%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

13326

Females

3687

F18-39

3687

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

11912

Females

2819

F18-39

2819

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

13326

Females

3687

F18-39

3687

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

14271

Females

4272

F18-39

4272

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

16035

Females

5303

F18-39

5303

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

16052

Females

5470

F18-39

5470

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16678

Females

5874

F18-39

5874

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

17312

Females

6339

F18-39

6339

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17515

Females

6483

F18-39

6483

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19449

Females

7622

F18-39

7622

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

16387

Females

5959

F18-39

5959

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18523

Females

7174

F18-39

7174

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13241

Females

4339

F18-39

4339

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17779

Females

6829

F18-39

6829

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14692

Females

5089

F18-39

5089

Passing Analysis

Category:
Athletes Passed
460
Passed By
6719
Net Change
-6260
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8531
5K → 10K171628-1612#8531#10143
10K → 15K161096-1080#10143#11223
15K → 20K37788-751#11223#11974
20K → Half1229-228#11974#12202
Half → 25K25743-718#12202#12920
25K → 30K38848-810#12920#13730
30K → 20M33375-342#13730#14072
20M → 21M30254-224#14072#14296
21M → 35K5246-241#14296#14537
35K → 23M46152-106#14537#14643
23M → 24M28217-189#14643#14832
24M → 40K11115+96#14832#14736
40K → 25.2M1470-56#14736#14792
25.2M → Finish5958+1#14792#14791
TOTALS4606719-6260
📊

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