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BOSTON MARATHON 2023

Elizabeth Balestra

Bib: 17617•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
8:15/mi
25:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:19/mi
51:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:24/mi
1:17:34
↑ 67↓ 78
20K· 12.43 mi
8:24/mi
1:43:40
↑ 106↓ 860.1%
Half· 13.11 mi
8:18/mi
1:49:20
↑ 19↓ 370.5%
25K· 15.53 mi
8:33/mi
2:10:04
↑ 66↓ 880.2%
30K· 18.64 mi
8:43/mi
2:37:09
↑ 181↓ 1480.2%
20M
8:54/mi
2:49:14
↑ 64↓ 500.2%
21M
9:50/mi
2:59:04
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
3:05:43
↑ 17↓ 861.7%
23M
9:31/mi
3:17:38
↑ 23↓ 630.6%
24M
9:51/mi
3:27:29
↓ 821.3%
40K· 24.85 mi
9:51/mi
3:35:55
↓ 200.3%
25.2M
12:22/mi
3:40:11
↑ 13↓ 160.2%
Finish· 26.22 mi
9:26/mi
3:49:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:20
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time2:00:28
Pace9:11 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0125:398:1525:39
8:15
-
10K
6.21 mi11:41:5151:298:1725:50
8:19
+0:04
15K
9.32 mi12:07:561:17:348:1926:05
8:24
+0:05
20K
12.43 mi12:34:021:43:408:2126:06
8:24
0:00
Half
13.11 mi12:39:421:49:208:205:40
8:18
-0:06
25K
15.53 mi13:00:262:10:048:2220:44
8:33
+0:15
30K
18.64 mi13:27:312:37:098:2627:05
8:43
+0:10
20M
20.00 mi13:39:362:49:148:2812:05
8:54
+0:11
21M
21.00 mi13:49:262:59:048:329:50
9:50
+0:56
35K
21.75 mi13:56:053:05:438:326:39
8:53
-0:57
23M
23.00 mi14:08:003:17:388:3611:55
9:31
+0:38
24M
24.00 mi14:17:513:27:298:399:51
9:51
+0:20
40K
24.85 mi14:26:173:35:558:418:26
9:51
0:00
25.2M
25.20 mi14:30:333:40:118:444:16
12:22
+2:31
Finish
26.22 mi14:40:103:49:488:469:37
9:26
-2:56

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

8:15 /mi

Average Pace

8:46 /mi

Slowest Pace

12:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:09

25% of race

Time at Steady Pace

1:58:44

52% of race

Time at Slower Pace

53:55

23% of race

Average Pace: 8:46 /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 mi11:16:0125:398:1525:39
8:15
#15877
10K
6.21 mi11:41:5151:298:1725:50
8:19
#16410
15K
9.32 mi12:07:561:17:348:1926:05
8:24
#16681
20K
12.43 mi12:34:021:43:408:2126:06
8:24
#16576
Half
13.11 mi12:39:421:49:208:205:40
8:18
#16575
25K
15.53 mi13:00:262:10:048:2220:44
8:33
#16562
30K
18.64 mi13:27:312:37:098:2627:05
8:43
#16358
20M
20.00 mi13:39:362:49:148:2812:05
8:54
#16298
21M
21.00 mi13:49:262:59:048:329:50
9:50
#16361
35K
21.75 mi13:56:053:05:438:326:39
8:53
#16388
23M
23.00 mi14:08:003:17:388:3611:55
9:31
#16547
24M
24.00 mi14:17:513:27:298:399:51
9:51
#16782
40K
24.85 mi14:26:173:35:558:418:26
9:51
#16921
25.2M
25.20 mi14:30:333:40:118:444:16
12:22
#17128
Finish
26.22 mi14:40:103:49:488:469:37
9:26
#17299
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi158775202520217131(Top 64%)6007(Top 53%)6007(Top 123%)
10K6.21 mi3.10 mi16410-5335534-3325534-33217046(Top 64%)5901(Top 52%)5901(Top 121%)
15K9.32 mi3.11 mi16681-2715718-1845718-18417131(Top 64%)6007(Top 53%)6007(Top 123%)
20K12.43 mi3.11 mi16576+1055666+525666+5216263(Top 61%)5508(Top 48%)5508(Top 113%)
Half13.11 mi0.68 mi16575+15665+15665+116579(Top 62%)5662(Top 50%)5662(Top 116%)
25K15.53 mi2.42 mi16562+135674-95674-916515(Top 62%)5734(Top 50%)5734(Top 117%)
30K18.64 mi3.11 mi16358+2045601+735601+7315615(Top 59%)5285(Top 46%)5285(Top 108%)
20M20.00 mi1.36 mi16298+605584+175584+1715995(Top 60%)5577(Top 49%)5577(Top 114%)
21M21.00 mi1.00 mi16361-635633-495633-4917389(Top 65%)6422(Top 56%)6422(Top 131%)
35K21.75 mi0.75 mi16388-275651-185651-1817407(Top 65%)6500(Top 57%)6500(Top 133%)
23M23.00 mi1.25 mi16547-1595755-1045755-10418401(Top 69%)7073(Top 62%)7073(Top 145%)
24M24.00 mi1.00 mi16782-2355914-1595914-15920406(Top 77%)8213(Top 72%)8213(Top 168%)
40K24.85 mi0.85 mi16921-1396017-1036017-10319559(Top 73%)7817(Top 68%)7817(Top 160%)
25.2M25.20 mi0.35 mi17128-2076139-1226139-12223096(Top 87%)9712(Top 85%)9712(Top 199%)
Finish26.22 mi1.02 mi17299-1716240-1016240-10119907(Top 75%)7940(Top 70%)7940(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

17131

Females

6007

F18-39

6007

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

17046

Females

5901

F18-39

5901

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

17131

Females

6007

F18-39

6007

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16263

Females

5508

F18-39

5508

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16579

Females

5662

F18-39

5662

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

16515

Females

5734

F18-39

5734

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15615

Females

5285

F18-39

5285

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15995

Females

5577

F18-39

5577

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17389

Females

6422

F18-39

6422

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17407

Females

6500

F18-39

6500

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18401

Females

7073

F18-39

7073

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

20406

Females

8213

F18-39

8213

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19559

Females

7817

F18-39

7817

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23096

Females

9712

F18-39

9712

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19907

Females

7940

F18-39

7940

Passing Analysis

Category:
Athletes Passed
1222
Passed By
2644
Net Change
-1422
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15877
5K → 10K121654-533#15877#16410
10K → 15K107378-271#16410#16681
15K → 20K221116+105#16681#16576
20K → Half3534+1#16576#16575
Half → 25K140127+13#16575#16562
25K → 30K28076+204#16562#16358
30K → 20M10949+60#16358#16298
20M → 21M57120-63#16298#16361
21M → 35K3764-27#16361#16388
35K → 23M44203-159#16388#16547
23M → 24M21256-235#16547#16782
24M → 40K25164-139#16782#16921
40K → 25.2M0207-207#16921#17128
25.2M → Finish25196-171#17128#17299
TOTALS12222644-1422
📊

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