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BOSTON MARATHON 2024

Arissa Opalacz

Bib: 10930•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 18%
Gender (Female)
#0 / 10924
Top 5%
Division (F18-39)
#0 / 4660
Top 10%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:54
Rank: #7345
Start → 5K
7:03/mi
21:54 split
10K· 6.21 mi
44:00
Rank: #7341 (+4)
5K → 10K
7:07/mi
22:06 split
15K· 9.32 mi
1:06:04
Rank: #7161 (+180)
10K → 15K
7:06/mi
22:04 split
20K· 12.43 mi
1:28:38
Rank: #6980 (+181)
15K → 20K
7:16/mi
22:34 split
Half· 13.11 mi
1:33:23
Rank: #6899 (+81)
20K → Half
6:58/mi
4:45 split
25K· 15.53 mi
1:50:51
Rank: #6557 (+342)
Half → 25K
7:12/mi
17:28 split
30K· 18.64 mi
2:13:53
Rank: #6059 (+498)
25K → 30K
7:25/mi
23:02 split
20M
2:24:02
Rank: #5820 (+239)
30K → 20M
7:28/mi
10:09 split
21M
2:32:03
Rank: #5619 (+201)
20M → 21M
8:01/mi
8:01 split
35K· 21.75 mi
2:37:30
Rank: #5499 (+120)
21M → 35K
7:17/mi
5:27 split
23M
2:46:57
Rank: #5274 (+225)
35K → 23M
7:33/mi
9:27 split
24M
2:54:15
Rank: #5109 (+165)
23M → 24M
7:18/mi
7:18 split
40K· 24.85 mi
3:00:32
Rank: #4927 (+182)
24M → 40K
7:21/mi
6:17 split
25.2M
3:03:14
Rank: #4835 (+92)
40K → 25.2M
7:50/mi
2:42 split
Finish· 26.22 mi
3:10:12
Rank: #4669 (+166)
25.2M → Finish
6:50/mi
6:58 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:23
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:36:49
Pace7:23 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3921:547:0321:54
7:03
-
10K
6.21 mi11:10:4544:007:0522:06
7:07
+0:04
15K
9.32 mi11:32:491:06:047:0522:04
7:06
-0:01
20K
12.43 mi11:55:231:28:387:0822:34
7:16
+0:10
Half
13.11 mi12:00:081:33:237:074:45
6:58
-0:18
25K
15.53 mi12:17:361:50:517:0817:28
7:12
+0:14
30K
18.64 mi12:40:382:13:537:1123:02
7:25
+0:13
20M
20.00 mi12:50:472:24:027:1210:09
7:28
+0:03
21M
21.00 mi12:58:482:32:037:148:01
8:01
+0:33
35K
21.75 mi13:04:152:37:307:155:27
7:17
-0:44
23M
23.00 mi13:13:422:46:577:169:27
7:33
+0:16
24M
24.00 mi13:21:002:54:157:167:18
7:18
-0:15
40K
24.85 mi13:27:173:00:327:166:17
7:21
+0:03
25.2M
25.20 mi13:29:593:03:147:162:42
7:50
+0:29
Finish
26.22 mi13:36:573:10:127:166:58
6:50
-1:00

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

6:50 /mi

Average Pace

7:16 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:02

89% of race

Time at Steady Pace

20:10

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:15 /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 mi10:48:3921:547:0321:54
7:03
#7345
10K
6.21 mi11:10:4544:007:0522:06
7:07
#7341
15K
9.32 mi11:32:491:06:047:0522:04
7:06
#7161
20K
12.43 mi11:55:231:28:387:0822:34
7:16
#6980
Half
13.11 mi12:00:081:33:237:074:45
6:58
#6899
25K
15.53 mi12:17:361:50:517:0817:28
7:12
#6557
30K
18.64 mi12:40:382:13:537:1123:02
7:25
#6059
20M
20.00 mi12:50:472:24:027:1210:09
7:28
#5820
21M
21.00 mi12:58:482:32:037:148:01
8:01
#5619
35K
21.75 mi13:04:152:37:307:155:27
7:17
#5499
23M
23.00 mi13:13:422:46:577:169:27
7:33
#5274
24M
24.00 mi13:21:002:54:157:167:18
7:18
#5109
40K
24.85 mi13:27:173:00:327:166:17
7:21
#4927
25.2M
25.20 mi13:29:593:03:147:162:42
7:50
#4835
Finish
26.22 mi13:36:573:10:127:166:58
6:50
#4669
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi73459389386817(Top 27%)857(Top 8%)857(Top 18%)
10K6.21 mi3.10 mi7341+4951-13951-137382(Top 29%)995(Top 9%)995(Top 21%)
15K9.32 mi3.11 mi7161+180920+31920+316817(Top 27%)857(Top 8%)857(Top 18%)
20K12.43 mi3.11 mi6980+181894+26894+266766(Top 26%)915(Top 8%)915(Top 20%)
Half13.11 mi0.68 mi6899+81863+31863+315579(Top 22%)551(Top 5%)551(Top 12%)
25K15.53 mi2.42 mi6557+342788+75788+755340(Top 21%)594(Top 5%)594(Top 13%)
30K18.64 mi3.11 mi6059+498706+82706+824701(Top 18%)551(Top 5%)551(Top 12%)
20M20.00 mi1.36 mi5820+239678+28678+284215(Top 16%)498(Top 5%)498(Top 11%)
21M21.00 mi1.00 mi5619+201645+33645+334255(Top 17%)621(Top 6%)621(Top 13%)
35K21.75 mi0.75 mi5499+120638+7638+74134(Top 16%)565(Top 5%)565(Top 12%)
23M23.00 mi1.25 mi5274+225608+30608+303812(Top 15%)543(Top 5%)543(Top 12%)
24M24.00 mi1.00 mi5109+165582+26582+263381(Top 13%)483(Top 4%)483(Top 10%)
40K24.85 mi0.85 mi4927+182566+16566+163002(Top 12%)425(Top 4%)425(Top 9%)
25.2M25.20 mi0.35 mi4835+92550+16550+162308(Top 9%)293(Top 3%)293(Top 6%)
Finish26.22 mi1.02 mi4669+166530+20530+202511(Top 10%)351(Top 3%)351(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

6817

Females

857

F18-39

857

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7382

Females

995

F18-39

995

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

6817

Females

857

F18-39

857

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6766

Females

915

F18-39

915

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

5579

Females

551

F18-39

551

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5340

Females

594

F18-39

594

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

4701

Females

551

F18-39

551

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4215

Females

498

F18-39

498

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4255

Females

621

F18-39

621

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4134

Females

565

F18-39

565

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

3812

Females

543

F18-39

543

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3381

Females

483

F18-39

483

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3002

Females

425

F18-39

425

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2308

Females

293

F18-39

293

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2story building
+22ft-21ft

Overall

2511

Females

351

F18-39

351

Passing Analysis

Category:
Athletes Passed
3103
Passed By
427
Net Change
+2676
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7345
5K → 10K198194+4#7345#7341
10K → 15K24767+180#7341#7161
15K → 20K24867+181#7161#6980
20K → Half854+81#6980#6899
Half → 25K36119+342#6899#6557
25K → 30K51820+498#6557#6059
30K → 20M24910+239#6059#5820
20M → 21M21514+201#5820#5619
21M → 35K1255+120#5619#5499
35K → 23M23510+225#5499#5274
23M → 24M1738+165#5274#5109
24M → 40K1897+182#5109#4927
40K → 25.2M920+92#4927#4835
25.2M → Finish1682+166#4835#4669
TOTALS3103427+2676
📊

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