Olivia Heilbronn

Bib: 25916F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 48%
Gender (Female)
#0 / 10924
Top 36%
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:39
Rank: #18189
Start5K
26:39 | 8:35/mi
10K· 6.21 mi
52:29
Rank: #17197 (+992)
5K10K
25:50 | 8:19/mi
15K· 9.32 mi
1:17:39
Rank: #16106 (+1091)
10K15K
25:10 | 8:06/mi
20K· 12.43 mi
1:43:30
Rank: #15438 (+668)
15K20K
25:51 | 8:19/mi
Half· 13.11 mi
1:49:05
Rank: #15351 (+87)
20KHalf
5:35 | 8:11/mi
25K· 15.53 mi
2:09:58
Rank: #15020 (+331)
Half25K
20:53 | 8:37/mi
30K· 18.64 mi
2:36:14
Rank: #14099 (+921)
25K30K
26:16 | 8:27/mi
20M
2:47:46
Rank: #13707 (+392)
30K20M
11:32 | 8:29/mi
21M
2:56:43
Rank: #13307 (+400)
20M21M
8:57 | 8:57/mi
35K· 21.75 mi
3:03:36
Rank: #13332 (-25)
21M35K
6:53 | 9:11/mi
23M
3:15:06
Rank: #13233 (+99)
35K23M
11:30 | 9:11/mi
24M
3:23:37
Rank: #13037 (+196)
23M24M
8:31 | 8:31/mi
40K· 24.85 mi
3:30:52
Rank: #12794 (+243)
24M40K
7:15 | 8:29/mi
25.2M
3:34:02
Rank: #12674 (+120)
40K25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:41:37
Rank: #12356 (+318)
25.2MFinish
7:35 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:05
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:52:32
Pace8:35 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:0926:398:3526:39
8:35
-
10K
6.21 mi12:07:5952:298:2725:50
8:19
-0:16
15K
9.32 mi12:33:091:17:398:2025:10
8:06
-0:13
20K
12.43 mi12:59:001:43:308:2025:51
8:19
+0:13
Half
13.11 mi13:04:351:49:058:195:35
8:11
-0:08
25K
15.53 mi13:25:282:09:588:2220:53
8:37
+0:26
30K
18.64 mi13:51:442:36:148:2326:16
8:27
-0:10
20M
20.00 mi14:03:162:47:468:2311:32
8:29
+0:02
21M
21.00 mi14:12:132:56:438:258:57
8:57
+0:28
35K
21.75 mi14:19:063:03:368:276:53
9:11
+0:14
23M
23.00 mi14:30:363:15:068:2911:30
9:11
0:00
24M
24.00 mi14:39:073:23:378:298:31
8:31
-0:40
40K
24.85 mi14:46:223:30:528:297:15
8:29
-0:02
25.2M
25.20 mi14:49:323:34:028:303:10
9:11
+0:42
Finish
26.22 mi14:57:073:41:378:287:35
7:26
-1:45

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

7:26 /mi

Average Pace

8:28 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:20

17% of race

Time at Steady Pace

2:32:47

69% of race

Time at Slower Pace

30:30

14% of race

Average Pace: 8:27 /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 mi11:42:0926:398:3526:39
8:35
#18189
10K
6.21 mi12:07:5952:298:2725:50
8:19
#17197
15K
9.32 mi12:33:091:17:398:2025:10
8:06
#16106
20K
12.43 mi12:59:001:43:308:2025:51
8:19
#15438
Half
13.11 mi13:04:351:49:058:195:35
8:11
#15351
25K
15.53 mi13:25:282:09:588:2220:53
8:37
#15020
30K
18.64 mi13:51:442:36:148:2326:16
8:27
#14099
20M
20.00 mi14:03:162:47:468:2311:32
8:29
#13707
21M
21.00 mi14:12:132:56:438:258:57
8:57
#13307
35K
21.75 mi14:19:063:03:368:276:53
9:11
#13332
23M
23.00 mi14:30:363:15:068:2911:30
9:11
#13233
24M
24.00 mi14:39:073:23:378:298:31
8:31
#13037
40K
24.85 mi14:46:223:30:528:297:15
8:29
#12794
25.2M
25.20 mi14:49:323:34:028:303:10
9:11
#12674
Finish
26.22 mi14:57:073:41:378:287:35
7:26
#12356
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 mi181896873687314106(Top 55%)4425(Top 41%)4425(Top 95%)
10K6.21 mi3.10 mi17197+9926267+6066267+60616205(Top 63%)5644(Top 52%)5644(Top 121%)
15K9.32 mi3.11 mi16106+10915617+6505617+65014106(Top 55%)4425(Top 41%)4425(Top 95%)
20K12.43 mi3.11 mi15438+6685231+3865231+38613836(Top 54%)4323(Top 40%)4323(Top 93%)
Half13.11 mi0.68 mi15351+875176+555176+5513939(Top 55%)4433(Top 41%)4433(Top 95%)
25K15.53 mi2.42 mi15020+3315008+1685008+16813665(Top 53%)4414(Top 40%)4414(Top 95%)
30K18.64 mi3.11 mi14099+9214538+4704538+47010429(Top 41%)2905(Top 27%)2905(Top 62%)
20M20.00 mi1.36 mi13707+3924372+1664372+1669398(Top 37%)2664(Top 24%)2664(Top 57%)
21M21.00 mi1.00 mi13307+4004209+1634209+1638386(Top 33%)2390(Top 22%)2390(Top 51%)
35K21.75 mi0.75 mi13332-254256-474256-4714215(Top 56%)5455(Top 50%)5455(Top 117%)
23M23.00 mi1.25 mi13233+994263-74263-712100(Top 47%)4467(Top 41%)4467(Top 96%)
24M24.00 mi1.00 mi13037+1964194+694194+699587(Top 38%)3242(Top 30%)3242(Top 70%)
40K24.85 mi0.85 mi12794+2434114+804114+808274(Top 32%)2719(Top 25%)2719(Top 58%)
25.2M25.20 mi0.35 mi12674+1204061+534061+537491(Top 29%)2440(Top 22%)2440(Top 52%)
Finish26.22 mi1.02 mi12356+3183927+1343927+1345336(Top 21%)1349(Top 12%)1349(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14106

Females

4425

F18-39

4425

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16205

Females

5644

F18-39

5644

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14106

Females

4425

F18-39

4425

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

13836

Females

4323

F18-39

4323

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

13939

Females

4433

F18-39

4433

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

13665

Females

4414

F18-39

4414

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10429

Females

2905

F18-39

2905

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9398

Females

2664

F18-39

2664

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8386

Females

2390

F18-39

2390

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

14215

Females

5455

F18-39

5455

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

12100

Females

4467

F18-39

4467

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

9587

Females

3242

F18-39

3242

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8274

Females

2719

F18-39

2719

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7491

Females

2440

F18-39

2440

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5336

Females

1349

F18-39

1349

Passing Analysis

Category:
Athletes Passed
6166
Passed By
333
Net Change
+5833
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18189
5K10K102937+992#18189#17197
10K15K10954+1091#17197#16106
15K20K68214+668#16106#15438
20KHalf925+87#15438#15351
Half25K38453+331#15351#15020
25K30K9254+921#15020#14099
30K20M3986+392#14099#13707
20M21M4022+400#13707#13307
21M35K75100-25#13307#13332
35K23M18485+99#13332#13233
23M24M20812+196#13233#13037
24M40K2529+243#13037#12794
40K25.2M1222+120#12794#12674
25.2MFinish3180+318#12674#12356
TOTALS6166333+5833
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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