Stella Ahn

Bib: 22471F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:52
Rank: #18589
Start5K
26:52 | 8:39/mi
10K· 6.21 mi
55:40
Rank: #19733 (-1144)
5K10K
28:48 | 9:16/mi
15K· 9.32 mi
1:26:25
Rank: #20552 (-819)
10K15K
30:45 | 9:54/mi
20K· 12.43 mi
2:00:46
Rank: #21242 (-690)
15K20K
34:21 | 11:03/mi
Half· 13.11 mi
2:08:51
Rank: #21518 (-276)
20KHalf
8:05 | 11:51/mi
25K· 15.53 mi
2:38:41
Rank: #22010 (-492)
Half25K
29:50 | 12:18/mi
30K· 18.64 mi
3:29:29
Rank: #23397 (-1387)
25K30K
50:48 | 16:21/mi
20M
3:49:19
Rank: #23489 (-92)
30K20M
19:50 | 14:36/mi
21M
4:06:37
Rank: #23665 (-176)
20M21M
17:18 | 17:18/mi
35K· 21.75 mi
4:15:54
Rank: #23624 (+41)
21M35K
9:17 | 12:25/mi
23M
4:34:43
Rank: #23726 (-102)
35K23M
18:49 | 15:02/mi
24M
4:51:56
Rank: #23901 (-175)
23M24M
17:13 | 17:13/mi
40K· 24.85 mi
5:07:56
Rank: #24111 (-210)
24M40K
16:00 | 18:43/mi
25.2M
5:15:15
Rank: #24213 (-102)
40K25.2M
7:19 | 21:13/mi
Finish· 26.22 mi
5:34:39
Rank: #24502 (-289)
25.2MFinish
19:24 | 19:02/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:51
Pace9:50 /mi
2nd Half
Distance13.11 mi
Time3:25:48
Pace15:42 /mi
📊Positive Split: 59.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0726:528:3926:52
8:39
-
10K
6.21 mi11:53:5555:408:5828:48
9:16
+0:37
15K
9.32 mi12:24:401:26:259:1630:45
9:54
+0:38
20K
12.43 mi12:59:012:00:469:4334:21
11:03
+1:09
Half
13.11 mi13:07:062:08:519:508:05
11:51
+0:48
25K
15.53 mi13:36:562:38:4110:1329:50
12:18
+0:27
30K
18.64 mi14:27:443:29:2911:1450:48
16:21
+4:03
20M
20.00 mi14:47:343:49:1911:2819:50
14:36
-1:45
21M
21.00 mi15:04:524:06:3711:4517:18
17:18
+2:42
35K
21.75 mi15:14:094:15:5411:469:17
12:25
-4:53
23M
23.00 mi15:32:584:34:4311:5718:49
15:02
+2:37
24M
24.00 mi15:50:114:51:5612:1017:13
17:13
+2:11
40K
24.85 mi16:06:115:07:5612:2316:00
18:43
+1:30
25.2M
25.20 mi16:13:305:15:1512:317:19
21:13
+2:30
Finish
26.22 mi16:32:545:34:3912:4619:24
19:02
-2:11

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

8:39 /mi

Average Pace

12:46 /mi

Slowest Pace

21:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:58

50% of race

Time at Steady Pace

1:29:27

27% of race

Time at Slower Pace

1:17:14

23% of race

Average Pace: 12:46 /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 mi11:25:0726:528:3926:52
8:39
#18589
10K
6.21 mi11:53:5555:408:5828:48
9:16
#19733
15K
9.32 mi12:24:401:26:259:1630:45
9:54
#20552
20K
12.43 mi12:59:012:00:469:4334:21
11:03
#21242
Half
13.11 mi13:07:062:08:519:508:05
11:51
#21518
25K
15.53 mi13:36:562:38:4110:1329:50
12:18
#22010
30K
18.64 mi14:27:443:29:2911:1450:48
16:21
#23397
20M
20.00 mi14:47:343:49:1911:2819:50
14:36
#23489
21M
21.00 mi15:04:524:06:3711:4517:18
17:18
#23665
35K
21.75 mi15:14:094:15:5411:469:17
12:25
#23624
23M
23.00 mi15:32:584:34:4311:5718:49
15:02
#23726
24M
24.00 mi15:50:114:51:5612:1017:13
17:13
#23901
40K
24.85 mi16:06:115:07:5612:2316:00
18:43
#24111
25.2M
25.20 mi16:13:305:15:1512:317:19
21:13
#24213
Finish
26.22 mi16:32:545:34:3912:4619:24
19:02
#24502
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi185897108710821682(Top 85%)8695(Top 80%)8695(Top 993%)
10K6.21 mi3.10 mi19733-11447725-6177725-61720704(Top 81%)8204(Top 75%)8204(Top 937%)
15K9.32 mi3.11 mi20552-8198115-3908115-39021682(Top 85%)8695(Top 80%)8695(Top 993%)
20K12.43 mi3.11 mi21242-6908484-3698484-36922718(Top 89%)9304(Top 85%)9304(Top 1062%)
Half13.11 mi0.68 mi21518-2768648-1648648-16424470(Top 96%)10311(Top 94%)10311(Top 1177%)
25K15.53 mi2.42 mi22010-4928938-2908938-29023526(Top 92%)9825(Top 90%)9825(Top 1122%)
30K18.64 mi3.11 mi23397-13879708-7709708-77025389(Top 99%)10855(Top 99%)10855(Top 1239%)
20M20.00 mi1.36 mi23489-929763-559763-5524461(Top 96%)10447(Top 96%)10447(Top 1193%)
21M21.00 mi1.00 mi23665-1769860-979860-9725138(Top 98%)10779(Top 99%)10779(Top 1230%)
35K21.75 mi0.75 mi23624+419858+29858+222459(Top 88%)9572(Top 88%)9572(Top 1093%)
23M23.00 mi1.25 mi23726-1029927-699927-6924680(Top 97%)10604(Top 97%)10604(Top 1211%)
24M24.00 mi1.00 mi23901-17510028-10110028-10125342(Top 99%)10871(Top 100%)10871(Top 1241%)
40K24.85 mi0.85 mi24111-21010148-12010148-12025406(Top 99%)10888(Top 100%)10888(Top 1243%)
25.2M25.20 mi0.35 mi24213-10210201-5310201-5325436(Top 100%)10893(Top 100%)10893(Top 1243%)
Finish26.22 mi1.02 mi24502-28910365-16410365-16425489(Top 100%)10905(Top 100%)10905(Top 1245%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

21682

Females

8695

F55-59

8695

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

20704

Females

8204

F55-59

8204

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

21682

Females

8695

F55-59

8695

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

22718

Females

9304

F55-59

9304

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

24470

Females

10311

F55-59

10311

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

23526

Females

9825

F55-59

9825

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

25389

Females

10855

F55-59

10855

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

24461

Females

10447

F55-59

10447

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

25138

Females

10779

F55-59

10779

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

22459

Females

9572

F55-59

9572

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

24680

Females

10604

F55-59

10604

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

25342

Females

10871

F55-59

10871

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

25406

Females

10888

F55-59

10888

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

25436

Females

10893

F55-59

10893

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2stories
+22ft-21ft

Overall

25489

Females

10905

F55-59

10905

Passing Analysis

Category:
Athletes Passed
337
Passed By
6250
Net Change
-5913
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18589
5K10K401184-1144#18589#19733
10K15K59878-819#19733#20552
15K20K34724-690#20552#21242
20KHalf2278-276#21242#21518
Half25K39531-492#21518#22010
25K30K61393-1387#22010#23397
30K20M40132-92#23397#23489
20M21M19195-176#23489#23665
21M35K6019+41#23665#23624
35K23M23125-102#23624#23726
23M24M6181-175#23726#23901
24M40K4214-210#23901#24111
40K25.2M2104-102#24111#24213
25.2MFinish3292-289#24213#24502
TOTALS3376250-5913
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing