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BOSTON MARATHON 2024

Silvia Erazo

Bib: 10777•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 23%
Gender (Female)
#0 / 10924
Top 8%
Masters (Masters Women)
#0 / 6263
Top 3%
Division (F50-54)
#0 / 1187
Top 1%
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
7:04/mi
21:58
↑ 97↓ 3451.5%
10K· 6.21 mi
7:04/mi
43:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:03/mi
1:05:49
↑ 67↓ 78
20K· 12.43 mi
7:08/mi
1:27:58
↑ 106↓ 860.1%
Half· 13.11 mi
6:58/mi
1:32:43
↑ 19↓ 370.5%
25K· 15.53 mi
7:17/mi
1:50:22
↑ 66↓ 880.2%
30K· 18.64 mi
7:36/mi
2:13:59
↑ 181↓ 1480.2%
20M
7:46/mi
2:24:32
↑ 64↓ 500.2%
21M
8:45/mi
2:33:17
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
2:39:13
↑ 17↓ 861.7%
23M
8:01/mi
2:49:15
↑ 23↓ 630.6%
24M
7:51/mi
2:57:06
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:04:14
↓ 200.3%
25.2M
9:17/mi
3:07:26
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:15:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:43
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:43:00
Pace7:51 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1321:587:0421:58
7:04
-
10K
6.21 mi11:10:1043:557:0421:57
7:04
0:00
15K
9.32 mi11:32:041:05:497:0421:54
7:03
-0:01
20K
12.43 mi11:54:131:27:587:0522:09
7:08
+0:05
Half
13.11 mi11:58:581:32:437:044:45
6:58
-0:10
25K
15.53 mi12:16:371:50:227:0617:39
7:17
+0:19
30K
18.64 mi12:40:142:13:597:1123:37
7:36
+0:19
20M
20.00 mi12:50:472:24:327:1410:33
7:46
+0:10
21M
21.00 mi12:59:322:33:177:188:45
8:45
+0:59
35K
21.75 mi13:05:282:39:137:195:56
7:56
-0:49
23M
23.00 mi13:15:302:49:157:2210:02
8:01
+0:05
24M
24.00 mi13:23:212:57:067:237:51
7:51
-0:10
40K
24.85 mi13:30:293:04:147:257:08
8:21
+0:30
25.2M
25.20 mi13:33:413:07:267:263:12
9:17
+0:56
Finish
26.22 mi13:41:583:15:437:288:17
8:08
-1:09

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

6:58 /mi

Average Pace

7:28 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:22

56% of race

Time at Steady Pace

57:59

30% of race

Time at Slower Pace

27:22

14% of race

Average Pace: 7:28 /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 mi10:48:1321:587:0421:58
7:04
#7486
10K
6.21 mi11:10:1043:557:0421:57
7:04
#7250
15K
9.32 mi11:32:041:05:497:0421:54
7:03
#6992
20K
12.43 mi11:54:131:27:587:0522:09
7:08
#6657
Half
13.11 mi11:58:581:32:437:044:45
6:58
#6586
25K
15.53 mi12:16:371:50:227:0617:39
7:17
#6370
30K
18.64 mi12:40:142:13:597:1123:37
7:36
#6095
20M
20.00 mi12:50:472:24:327:1410:33
7:46
#5982
21M
21.00 mi12:59:322:33:177:188:45
8:45
#5973
35K
21.75 mi13:05:282:39:137:195:56
7:56
#5949
23M
23.00 mi13:15:302:49:157:2210:02
8:01
#5855
24M
24.00 mi13:23:212:57:067:237:51
7:51
#5789
40K
24.85 mi13:30:293:04:147:257:08
8:21
#5767
25.2M
25.20 mi13:33:413:07:267:263:12
9:17
#5766
Finish
26.22 mi13:41:583:15:437:288:17
8:08
#5835
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi74869919916516(Top 26%)758(Top 7%)758(Top 64%)
10K6.21 mi3.10 mi7250+236919+72919+727088(Top 28%)901(Top 8%)901(Top 76%)
15K9.32 mi3.11 mi6992+258869+50869+506516(Top 26%)758(Top 7%)758(Top 64%)
20K12.43 mi3.11 mi6657+335777+92777+925990(Top 23%)670(Top 6%)670(Top 56%)
Half13.11 mi0.68 mi6586+71760+17760+175593(Top 22%)565(Top 5%)565(Top 48%)
25K15.53 mi2.42 mi6370+216739+21739+215725(Top 22%)713(Top 7%)713(Top 60%)
30K18.64 mi3.11 mi6095+275720+19720+195630(Top 22%)856(Top 8%)856(Top 72%)
20M20.00 mi1.36 mi5982+113722-2722-25541(Top 22%)944(Top 9%)944(Top 80%)
21M21.00 mi1.00 mi5973+9746-24746-247397(Top 29%)1886(Top 17%)1886(Top 159%)
35K21.75 mi0.75 mi5949+24756-10756-107365(Top 29%)1913(Top 18%)1913(Top 161%)
23M23.00 mi1.25 mi5855+94772-16772-165819(Top 23%)1372(Top 13%)1372(Top 116%)
24M24.00 mi1.00 mi5789+66778-6778-65842(Top 23%)1444(Top 13%)1444(Top 122%)
40K24.85 mi0.85 mi5767+22809-31809-317564(Top 30%)2393(Top 22%)2393(Top 202%)
25.2M25.20 mi0.35 mi5766+1824-15824-157825(Top 31%)2563(Top 23%)2563(Top 216%)
Finish26.22 mi1.02 mi5835-69871-47871-479361(Top 37%)3207(Top 29%)3207(Top 270%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

6516

Females

758

F50-54

758

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7088

Females

901

F50-54

901

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

6516

Females

758

F50-54

758

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

5990

Females

670

F50-54

670

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

5593

Females

565

F50-54

565

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

5725

Females

713

F50-54

713

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

5630

Females

856

F50-54

856

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

5541

Females

944

F50-54

944

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

7397

Females

1886

F50-54

1886

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7365

Females

1913

F50-54

1913

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

5819

Females

1372

F50-54

1372

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

5842

Females

1444

F50-54

1444

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7564

Females

2393

F50-54

2393

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

7825

Females

2563

F50-54

2563

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9361

Females

3207

F50-54

3207

Passing Analysis

Category:
Athletes Passed
2456
Passed By
805
Net Change
+1651
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7486
5K → 10K32791+236#7486#7250
10K → 15K30749+258#7250#6992
15K → 20K35924+335#6992#6657
20K → Half721+71#6657#6586
Half → 25K26145+216#6586#6370
25K → 30K36893+275#6370#6095
30K → 20M15946+113#6095#5982
20M → 21M10394+9#5982#5973
21M → 35K7753+24#5973#5949
35K → 23M15763+94#5949#5855
23M → 24M9832+66#5855#5789
24M → 40K9573+22#5789#5767
40K → 25.2M3433+1#5767#5766
25.2M → Finish39108-69#5766#5835
TOTALS2456805+1651
📊

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