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BOSTON MARATHON 2023

Eva Lopez Guerrero

Bib: 31719•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
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
9:42/mi
30:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:55/mi
57:49
↑ 79↓ 1380.4%
15K· 9.32 mi
8:56/mi
1:25:35
↑ 67↓ 78
20K· 12.43 mi
9:10/mi
1:54:05
↑ 106↓ 860.1%
Half· 13.11 mi
8:51/mi
2:00:07
↑ 19↓ 370.5%
25K· 15.53 mi
9:43/mi
2:23:40
↑ 66↓ 880.2%
30K· 18.64 mi
9:45/mi
2:53:57
↑ 181↓ 1480.2%
20M
9:46/mi
3:07:13
↑ 64↓ 500.2%
21M
10:35/mi
3:17:48
↑ 106↓ 241.6%
35K· 21.75 mi
9:21/mi
3:24:48
↑ 17↓ 861.7%
23M
10:06/mi
3:37:27
↑ 23↓ 630.6%
24M
9:55/mi
3:47:22
↓ 821.3%
40K· 24.85 mi
10:39/mi
3:56:28
↓ 200.3%
25.2M
10:12/mi
3:59:59
↑ 13↓ 160.2%
Finish· 26.22 mi
9:17/mi
4:09:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:07
Pace9:10 /mi
2nd Half
Distance13.11 mi
Time2:09:20
Pace9:52 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3230:089:4230:08
9:42
-
10K
6.21 mi12:18:1357:499:1827:41
8:55
-0:47
15K
9.32 mi12:45:591:25:359:1127:46
8:56
+0:01
20K
12.43 mi13:14:291:54:059:1128:30
9:10
+0:14
Half
13.11 mi13:20:312:00:079:106:02
8:51
-0:19
25K
15.53 mi13:44:042:23:409:1523:33
9:43
+0:52
30K
18.64 mi14:14:212:53:579:2030:17
9:45
+0:02
20M
20.00 mi14:27:373:07:139:2213:16
9:46
+0:01
21M
21.00 mi14:38:123:17:489:2510:35
10:35
+0:49
35K
21.75 mi14:45:123:24:489:257:00
9:21
-1:14
23M
23.00 mi14:57:513:37:279:2712:39
10:06
+0:45
24M
24.00 mi15:07:463:47:229:289:55
9:55
-0:11
40K
24.85 mi15:16:523:56:289:319:06
10:39
+0:44
25.2M
25.20 mi15:20:233:59:599:313:31
10:12
-0:27
Finish
26.22 mi15:29:514:09:279:319:28
9:17
-0:55

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

8:51 /mi

Average Pace

9:31 /mi

Slowest Pace

10:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:27

43% of race

Time at Steady Pace

1:47:09

43% of race

Time at Slower Pace

35:51

14% of race

Average Pace: 9:31 /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 mi11:50:3230:089:4230:08
9:42
#22656
10K
6.21 mi12:18:1357:499:1827:41
8:55
#21741
15K
9.32 mi12:45:591:25:359:1127:46
8:56
#21300
20K
12.43 mi13:14:291:54:059:1128:30
9:10
#21115
Half
13.11 mi13:20:312:00:079:106:02
8:51
#21043
25K
15.53 mi13:44:042:23:409:1523:33
9:43
#21116
30K
18.64 mi14:14:212:53:579:2030:17
9:45
#20940
20M
20.00 mi14:27:373:07:139:2213:16
9:46
#20833
21M
21.00 mi14:38:123:17:489:2510:35
10:35
#20758
35K
21.75 mi14:45:123:24:489:257:00
9:21
#20683
23M
23.00 mi14:57:513:37:279:2712:39
10:06
#20650
24M
24.00 mi15:07:463:47:229:289:55
9:55
#20644
40K
24.85 mi15:16:523:56:289:319:06
10:39
#20678
25.2M
25.20 mi15:20:233:59:599:313:31
10:12
#20642
Finish
26.22 mi15:29:514:09:279:319:28
9:17
#20595
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi226569209920920215(Top 76%)7790(Top 68%)7790(Top 415%)
10K6.21 mi3.10 mi21741+9158712+4978712+49720480(Top 77%)7964(Top 70%)7964(Top 424%)
15K9.32 mi3.11 mi21300+4418441+2718441+27120215(Top 76%)7790(Top 68%)7790(Top 415%)
20K12.43 mi3.11 mi21115+1858338+1038338+10320469(Top 77%)7946(Top 70%)7946(Top 423%)
Half13.11 mi0.68 mi21043+728293+458293+4519778(Top 74%)7549(Top 66%)7549(Top 402%)
25K15.53 mi2.42 mi21116-738335-428335-4221507(Top 81%)8559(Top 75%)8559(Top 456%)
30K18.64 mi3.11 mi20940+1768245+908245+9020291(Top 76%)7934(Top 69%)7934(Top 422%)
20M20.00 mi1.36 mi20833+1078199+468199+4619757(Top 74%)7732(Top 68%)7732(Top 412%)
21M21.00 mi1.00 mi20758+758166+338166+3319865(Top 75%)7855(Top 69%)7855(Top 418%)
35K21.75 mi0.75 mi20683+758134+328134+3219399(Top 73%)7607(Top 67%)7607(Top 405%)
23M23.00 mi1.25 mi20650+338136-28136-220301(Top 76%)8131(Top 71%)8131(Top 433%)
24M24.00 mi1.00 mi20644+68149-138149-1320566(Top 77%)8306(Top 73%)8306(Top 442%)
40K24.85 mi0.85 mi20678-348176-278176-2721573(Top 81%)8924(Top 78%)8924(Top 475%)
25.2M25.20 mi0.35 mi20642+368158+188158+1818181(Top 68%)7061(Top 62%)7061(Top 376%)
Finish26.22 mi1.02 mi20595+478141+178141+1719342(Top 73%)7642(Top 67%)7642(Top 407%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

20215

Females

7790

F40-44

7790

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20480

Females

7964

F40-44

7964

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

20215

Females

7790

F40-44

7790

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20469

Females

7946

F40-44

7946

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

19778

Females

7549

F40-44

7549

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21507

Females

8559

F40-44

8559

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

20291

Females

7934

F40-44

7934

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19757

Females

7732

F40-44

7732

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

19865

Females

7855

F40-44

7855

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19399

Females

7607

F40-44

7607

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20301

Females

8131

F40-44

8131

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

20566

Females

8306

F40-44

8306

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21573

Females

8924

F40-44

8924

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18181

Females

7061

F40-44

7061

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19342

Females

7642

F40-44

7642

Passing Analysis

Category:
Athletes Passed
2614
Passed By
553
Net Change
+2061
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22656
5K → 10K93722+915#22656#21741
10K → 15K46726+441#21741#21300
15K → 20K24156+185#21300#21115
20K → Half786+72#21115#21043
Half → 25K77150-73#21043#21116
25K → 30K23357+176#21116#20940
30K → 20M13326+107#20940#20833
20M → 21M9823+75#20833#20758
21M → 35K816+75#20758#20683
35K → 23M8249+33#20683#20650
23M → 24M5347+6#20650#20644
24M → 40K2660-34#20644#20678
40K → 25.2M426+36#20678#20642
25.2M → Finish6619+47#20642#20595
TOTALS2614553+2061
📊

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