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BOSTON MARATHON 2023

Isabel Gonzalez Rojas

Bib: 11553•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 21%
Division (F18-39)
#0 / 4884
Top 37%
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
7:34/mi
23:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
46:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:10/mi
1:08:50
↑ 67↓ 78
20K· 12.43 mi
7:20/mi
1:31:37
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:36:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:55:04
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:19:27
↑ 181↓ 1480.2%
20M
8:01/mi
2:30:21
↑ 64↓ 500.2%
21M
8:49/mi
2:39:10
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:44:59
↑ 17↓ 861.7%
23M
8:39/mi
2:55:49
↑ 23↓ 630.6%
24M
8:43/mi
3:04:32
↓ 821.3%
40K· 24.85 mi
9:23/mi
3:12:33
↓ 200.3%
25.2M
10:06/mi
3:16:02
↑ 13↓ 160.2%
Finish· 26.22 mi
8:57/mi
3:25:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:37
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:48:32
Pace8:17 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3023:307:3423:30
7:34
-
10K
6.21 mi11:14:3346:337:2923:03
7:25
-0:09
15K
9.32 mi11:36:501:08:507:2322:17
7:10
-0:15
20K
12.43 mi11:59:371:31:377:2222:47
7:20
+0:10
Half
13.11 mi12:04:371:36:377:225:00
7:20
0:00
25K
15.53 mi12:23:041:55:047:2418:27
7:37
+0:17
30K
18.64 mi12:47:272:19:277:2924:23
7:51
+0:14
20M
20.00 mi12:58:212:30:217:3110:54
8:01
+0:10
21M
21.00 mi13:07:102:39:107:358:49
8:49
+0:48
35K
21.75 mi13:12:592:44:597:355:49
7:46
-1:03
23M
23.00 mi13:23:492:55:497:3910:50
8:39
+0:53
24M
24.00 mi13:32:323:04:327:418:43
8:43
+0:04
40K
24.85 mi13:40:333:12:337:458:01
9:23
+0:40
25.2M
25.20 mi13:44:023:16:027:473:29
10:06
+0:43
Finish
26.22 mi13:53:093:25:097:509:07
8:57
-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

7:10 /mi

Average Pace

7:50 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:07

36% of race

Time at Steady Pace

1:23:03

40% of race

Time at Slower Pace

48:59

24% of race

Average Pace: 7:49 /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 mi10:51:3023:307:3423:30
7:34
#10225
10K
6.21 mi11:14:3346:337:2923:03
7:25
#9956
15K
9.32 mi11:36:501:08:507:2322:17
7:10
#9085
20K
12.43 mi11:59:371:31:377:2222:47
7:20
#8786
Half
13.11 mi12:04:371:36:377:225:00
7:20
#8779
25K
15.53 mi12:23:041:55:047:2418:27
7:37
#8889
30K
18.64 mi12:47:272:19:277:2924:23
7:51
#9022
20M
20.00 mi12:58:212:30:217:3110:54
8:01
#9082
21M
21.00 mi13:07:102:39:107:358:49
8:49
#9266
35K
21.75 mi13:12:592:44:597:355:49
7:46
#9294
23M
23.00 mi13:23:492:55:497:3910:50
8:39
#9566
24M
24.00 mi13:32:323:04:327:418:43
8:43
#9847
40K
24.85 mi13:40:333:12:337:458:01
9:23
#10205
25.2M
25.20 mi13:44:023:16:027:473:29
10:06
#10366
Finish
26.22 mi13:53:093:25:097:509:07
8:57
#10703
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10225196819687626(Top 29%)941(Top 8%)941(Top 19%)
10K6.21 mi3.10 mi9956+2691826+1421826+1429815(Top 37%)1741(Top 15%)1741(Top 36%)
15K9.32 mi3.11 mi9085+8711463+3631463+3637626(Top 29%)941(Top 8%)941(Top 19%)
20K12.43 mi3.11 mi8786+2991349+1141349+1148053(Top 30%)1125(Top 10%)1125(Top 23%)
Half13.11 mi0.68 mi8779+71350-11350-18915(Top 33%)1465(Top 13%)1465(Top 30%)
25K15.53 mi2.42 mi8889-1101407-571407-579646(Top 36%)1849(Top 16%)1849(Top 38%)
30K18.64 mi3.11 mi9022-1331498-911498-919744(Top 37%)2041(Top 18%)2041(Top 42%)
20M20.00 mi1.36 mi9082-601542-441542-4410450(Top 39%)2458(Top 22%)2458(Top 50%)
21M21.00 mi1.00 mi9266-1841644-1021644-10212363(Top 46%)3599(Top 32%)3599(Top 74%)
35K21.75 mi0.75 mi9294-281670-261670-2610507(Top 39%)2607(Top 23%)2607(Top 53%)
23M23.00 mi1.25 mi9566-2721798-1281798-12814087(Top 53%)4662(Top 41%)4662(Top 95%)
24M24.00 mi1.00 mi9847-2811958-1601958-16015747(Top 59%)5660(Top 50%)5660(Top 116%)
40K24.85 mi0.85 mi10205-3582148-1902148-19017851(Top 67%)6859(Top 60%)6859(Top 140%)
25.2M25.20 mi0.35 mi10366-1612254-1062254-10617771(Top 67%)6821(Top 60%)6821(Top 140%)
Finish26.22 mi1.02 mi10703-3372448-1942448-19417706(Top 67%)6750(Top 59%)6750(Top 138%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

7626

Females

941

F18-39

941

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9815

Females

1741

F18-39

1741

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

7626

Females

941

F18-39

941

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8053

Females

1125

F18-39

1125

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8915

Females

1465

F18-39

1465

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9646

Females

1849

F18-39

1849

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9744

Females

2041

F18-39

2041

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10450

Females

2458

F18-39

2458

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12363

Females

3599

F18-39

3599

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10507

Females

2607

F18-39

2607

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14087

Females

4662

F18-39

4662

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15747

Females

5660

F18-39

5660

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17851

Females

6859

F18-39

6859

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17771

Females

6821

F18-39

6821

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17706

Females

6750

F18-39

6750

Passing Analysis

Category:
Athletes Passed
2089*
Passed By
2566
Net Change
-478
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10225
5K → 10K444*175+269#10225#9956
10K → 15K8776+871#9956#9085
15K → 20K31516+299#9085#8786
20K → Half3023+7#8786#8779
Half → 25K63173-110#8779#8889
25K → 30K131264-133#8889#9022
30K → 20M71131-60#9022#9082
20M → 21M34218-184#9082#9266
21M → 35K3866-28#9266#9294
35K → 23M33305-272#9294#9566
23M → 24M14295-281#9566#9847
24M → 40K17374-358#9847#10205
40K → 25.2M4165-161#10205#10366
25.2M → Finish18355-337#10366#10703
TOTALS2089*2566-478

* 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