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BOSTON MARATHON 2023

Nelly Ferrer

Bib: 21508•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
Masters (Masters Women)
#0 / 6539
Top 23%
Division (F45-49)
#0 / 1817
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:46
Rank: #13829
Start → 5K
24:46 | 7:58/mi
10K· 6.21 mi
48:57
Rank: #13408 (+421)
5K → 10K
24:11 | 7:47/mi
15K· 9.32 mi
1:13:26
Rank: #13400 (+8)
10K → 15K
24:29 | 7:53/mi
20K· 12.43 mi
1:38:07
Rank: #13281 (+119)
15K → 20K
24:41 | 7:57/mi
Half· 13.11 mi
1:43:26
Rank: #13237 (+44)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:03:05
Rank: #13265 (-28)
Half → 25K
19:39 | 8:06/mi
30K· 18.64 mi
2:28:48
Rank: #13154 (+111)
25K → 30K
25:43 | 8:17/mi
20M
2:40:08
Rank: #13103 (+51)
30K → 20M
11:20 | 8:20/mi
21M
2:49:23
Rank: #13171 (-68)
20M → 21M
9:15 | 9:15/mi
35K· 21.75 mi
2:55:31
Rank: #13179 (-8)
21M → 35K
6:08 | 8:12/mi
23M
3:06:28
Rank: #13259 (-80)
35K → 23M
10:57 | 8:45/mi
24M
3:15:10
Rank: #13354 (-95)
23M → 24M
8:42 | 8:42/mi
40K· 24.85 mi
3:22:54
Rank: #13484 (-130)
24M → 40K
7:44 | 9:03/mi
25.2M
3:26:48
Rank: #13711 (-227)
40K → 25.2M
3:54 | 11:19/mi
Finish· 26.22 mi
3:35:47
Rank: #13851 (-140)
25.2M → Finish
8:59 | 8:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:26
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:52:21
Pace8:34 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:4724:467:5824:46
7:58
-
10K
6.21 mi12:04:5848:577:5324:11
7:47
-0:11
15K
9.32 mi12:29:271:13:267:5324:29
7:53
+0:06
20K
12.43 mi12:54:081:38:077:5424:41
7:57
+0:04
Half
13.11 mi12:59:271:43:267:535:19
7:48
-0:09
25K
15.53 mi13:19:062:03:057:5519:39
8:06
+0:18
30K
18.64 mi13:44:492:28:487:5925:43
8:17
+0:11
20M
20.00 mi13:56:092:40:088:0011:20
8:20
+0:03
21M
21.00 mi14:05:242:49:238:049:15
9:15
+0:55
35K
21.75 mi14:11:322:55:318:046:08
8:12
-1:03
23M
23.00 mi14:22:293:06:288:0610:57
8:45
+0:33
24M
24.00 mi14:31:113:15:108:088:42
8:42
-0:03
40K
24.85 mi14:38:553:22:548:107:44
9:03
+0:21
25.2M
25.20 mi14:42:493:26:488:123:54
11:19
+2:16
Finish
26.22 mi14:51:483:35:478:148:59
8:49
-2:30

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

7:47 /mi

Average Pace

8:14 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:30

14% of race

Time at Steady Pace

2:25:28

67% of race

Time at Slower Pace

40:49

19% of race

Average Pace: 8:14 /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 mi11:40:4724:467:5824:46
7:58
#13829
10K
6.21 mi12:04:5848:577:5324:11
7:47
#13408
15K
9.32 mi12:29:271:13:267:5324:29
7:53
#13400
20K
12.43 mi12:54:081:38:077:5424:41
7:57
#13281
Half
13.11 mi12:59:271:43:267:535:19
7:48
#13237
25K
15.53 mi13:19:062:03:057:5519:39
8:06
#13265
30K
18.64 mi13:44:492:28:487:5925:43
8:17
#13154
20M
20.00 mi13:56:092:40:088:0011:20
8:20
#13103
21M
21.00 mi14:05:242:49:238:049:15
9:15
#13171
35K
21.75 mi14:11:322:55:318:046:08
8:12
#13179
23M
23.00 mi14:22:293:06:288:0610:57
8:45
#13259
24M
24.00 mi14:31:113:15:108:088:42
8:42
#13354
40K
24.85 mi14:38:553:22:548:107:44
9:03
#13484
25.2M
25.20 mi14:42:493:26:488:123:54
11:19
#13711
Finish
26.22 mi14:51:483:35:478:148:59
8:49
#13851
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi138293917391713380(Top 50%)3718(Top 33%)3718(Top 205%)
10K6.21 mi3.10 mi13408+4213686+2313686+23113001(Top 49%)3430(Top 30%)3430(Top 189%)
15K9.32 mi3.11 mi13400+83693-73693-713380(Top 50%)3718(Top 33%)3718(Top 205%)
20K12.43 mi3.11 mi13281+1193648+453648+4513007(Top 49%)3557(Top 31%)3557(Top 196%)
Half13.11 mi0.68 mi13237+443626+223626+2212764(Top 48%)3370(Top 30%)3370(Top 185%)
25K15.53 mi2.42 mi13265-283659-333659-3313553(Top 51%)3953(Top 35%)3953(Top 218%)
30K18.64 mi3.11 mi13154+1113641+183641+1812896(Top 48%)3694(Top 32%)3694(Top 203%)
20M20.00 mi1.36 mi13103+513627+143627+1412641(Top 47%)3661(Top 32%)3661(Top 201%)
21M21.00 mi1.00 mi13171-683678-513678-5114730(Top 55%)4888(Top 43%)4888(Top 269%)
35K21.75 mi0.75 mi13179-83698-203698-2013453(Top 51%)4252(Top 37%)4252(Top 234%)
23M23.00 mi1.25 mi13259-803772-743772-7414680(Top 55%)4993(Top 44%)4993(Top 275%)
24M24.00 mi1.00 mi13354-953852-803852-8015667(Top 59%)5616(Top 49%)5616(Top 309%)
40K24.85 mi0.85 mi13484-1303952-1003952-10016394(Top 62%)6067(Top 53%)6067(Top 334%)
25.2M25.20 mi0.35 mi13711-2274097-1454097-14521137(Top 79%)8659(Top 76%)8659(Top 477%)
Finish26.22 mi1.02 mi13851-1404202-1054202-10517115(Top 64%)6430(Top 56%)6430(Top 354%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

13380

Females

3718

F45-49

3718

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13001

Females

3430

F45-49

3430

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

13380

Females

3718

F45-49

3718

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13007

Females

3557

F45-49

3557

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12764

Females

3370

F45-49

3370

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13553

Females

3953

F45-49

3953

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12896

Females

3694

F45-49

3694

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12641

Females

3661

F45-49

3661

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

14730

Females

4888

F45-49

4888

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13453

Females

4252

F45-49

4252

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14680

Females

4993

F45-49

4993

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15667

Females

5616

F45-49

5616

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16394

Females

6067

F45-49

6067

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21137

Females

8659

F45-49

8659

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17115

Females

6430

F45-49

6430

Passing Analysis

Category:
Athletes Passed
1860
Passed By
1882
Net Change
-22
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13829
5K → 10K565144+421#13829#13408
10K → 15K213205+8#13408#13400
15K → 20K237118+119#13400#13281
20K → Half5410+44#13281#13237
Half → 25K141169-28#13237#13265
25K → 30K237126+111#13265#13154
30K → 20M11059+51#13154#13103
20M → 21M75143-68#13103#13171
21M → 35K5361-8#13171#13179
35K → 23M70150-80#13179#13259
23M → 24M42137-95#13259#13354
24M → 40K29159-130#13354#13484
40K → 25.2M2229-227#13484#13711
25.2M → Finish32172-140#13711#13851
TOTALS18601882-22
📊

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