Emily Ambinder

Bib: 13464F

MD

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 48%
Gender (Female)
#0 / 12578
Top 35%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
22:00
3.11 mi
Rank: #9227
Start5K
22:00 | 7:05/mi
10K
43:59
6.21 mi
Rank: #9191 (+36)
5K10K
21:59 | 7:05/mi
15K
1:06:13
9.32 mi
Rank: #9327 (-136)
10K15K
22:14 | 7:10/mi
20K
1:28:58
12.43 mi
Rank: #9519 (-192)
15K20K
22:45 | 7:20/mi
HALF
1:33:48
13.11 mi
Rank: #9505 (+14)
20KHALF
4:50 | 7:06/mi
25K
1:51:38
15.53 mi
Rank: #9593 (-88)
HALF25K
17:50 | 7:22/mi
30K
2:17:33
18.64 mi
Rank: #10801 (-1208)
25K30K
25:55 | 8:21/mi
20M
2:28:49
20.00 mi
Rank: #11161 (-360)
30K20M
11:16 | 8:18/mi
21M
2:38:26
21.00 mi
Rank: #11692 (-531)
20M21M
9:37 | 9:37/mi
35K
2:45:10
21.75 mi
Rank: #12082 (-390)
21M35K
6:44 | 9:01/mi
23M
2:56:13
23.00 mi
Rank: #12462 (-380)
35K23M
11:03 | 8:50/mi
24M
3:05:52
24.00 mi
Rank: #13025 (-563)
23M24M
9:39 | 9:39/mi
40K
3:14:39
24.85 mi
Rank: #13613 (-588)
24M40K
8:47 | 10:17/mi
25.2M
3:18:42
25.20 mi
Rank: #13913 (-300)
40K25.2M
4:03 | 11:45/mi
FINISH
3:26:45
26.22 mi
Rank: #13940 (-27)
25.2MFINISH
8:03 | 7:54/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:33:48
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:52:57
Pace8:37 /mi
📊Positive Split: 20.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0122:007:0522:00
7:05
-
10K
6.21 mi11:13:0043:597:0521:59
7:05
0:00
15K
9.32 mi11:35:141:06:137:0722:14
7:10
+0:05
20K
12.43 mi11:57:591:28:587:1022:45
7:20
+0:10
HALF
13.11 mi12:02:491:33:487:104:50
7:06
-0:14
25K
15.53 mi12:20:391:51:387:1217:50
7:22
+0:16
30K
18.64 mi12:46:342:17:337:2325:55
8:21
+0:59
20M
20.00 mi12:57:502:28:497:2711:16
8:18
-0:03
21M
21.00 mi13:07:272:38:267:339:37
9:37
+1:19
35K
21.75 mi13:14:112:45:107:366:44
9:01
-0:36
23M
23.00 mi13:25:142:56:137:4011:03
8:50
-0:11
24M
24.00 mi13:34:533:05:527:459:39
9:39
+0:49
40K
24.85 mi13:43:403:14:397:508:47
10:17
+0:38
25.2M
25.20 mi13:47:433:18:427:544:03
11:45
+1:28
FINISH
26.22 mi13:55:463:26:457:548:03
7:54
-3:51

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:05 /mi

Average Pace

7:53 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:51:38

54% of race

Time at Steady Pace

56:17

27% of race

Time at Slower Pace

38:50

19% of race

Average Pace: 7:53 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:51:0122:007:0522:00
7:05
#9227
10K
6.21 mi11:13:0043:597:0521:59
7:05
#9191
15K
9.32 mi11:35:141:06:137:0722:14
7:10
#9327
20K
12.43 mi11:57:591:28:587:1022:45
7:20
#9519
HALF
13.11 mi12:02:491:33:487:104:50
7:06
#9505
25K
15.53 mi12:20:391:51:387:1217:50
7:22
#9593
30K
18.64 mi12:46:342:17:337:2325:55
8:21
#10801
20M
20.00 mi12:57:502:28:497:2711:16
8:18
#11161
21M
21.00 mi13:07:272:38:267:339:37
9:37
#11692
35K
21.75 mi13:14:112:45:107:366:44
9:01
#12082
23M
23.00 mi13:25:142:56:137:4011:03
8:50
#12462
24M
24.00 mi13:34:533:05:527:459:39
9:39
#13025
40K
24.85 mi13:43:403:14:397:508:47
10:17
#13613
25.2M
25.20 mi13:47:433:18:427:544:03
11:45
#13913
FINISH
26.22 mi13:55:463:26:457:548:03
7:54
#13940
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9227150915099765(Top 34%)1833(Top 15%)1833(Top 32%)
10K6.21 mi3.10 mi9191+36150915099257(Top 32%)1576(Top 13%)1576(Top 28%)
15K9.32 mi3.11 mi9327-1361594-851594-859765(Top 34%)1833(Top 15%)1833(Top 32%)
20K12.43 mi3.11 mi9519-1921702-1081702-10810410(Top 36%)2259(Top 18%)2259(Top 40%)
HALF13.11 mi0.68 mi9505+141696+61696+69476(Top 33%)1755(Top 14%)1755(Top 31%)
25K15.53 mi2.42 mi9593-881768-721768-7210209(Top 35%)2244(Top 18%)2244(Top 39%)
30K18.64 mi3.11 mi10801-12082448-6802448-68015901(Top 55%)5462(Top 43%)5462(Top 96%)
20M20.00 mi1.36 mi11161-3602651-2032651-20314908(Top 51%)4992(Top 40%)4992(Top 87%)
21M21.00 mi1.00 mi11692-5312949-2982949-29819047(Top 66%)7340(Top 58%)7340(Top 128%)
35K21.75 mi0.75 mi12082-3903182-2333182-23320037(Top 69%)7951(Top 63%)7951(Top 139%)
23M23.00 mi1.25 mi12462-3803437-2553437-25517624(Top 61%)6757(Top 54%)6757(Top 118%)
24M24.00 mi1.00 mi13025-5633764-3273764-32721831(Top 75%)8943(Top 71%)8943(Top 156%)
40K24.85 mi0.85 mi13613-5884127-3634127-36322649(Top 78%)9425(Top 75%)9425(Top 165%)
25.2M25.20 mi0.35 mi13913-3004317-1904317-19023977(Top 83%)10121(Top 80%)10121(Top 177%)
FINISH26.22 mi1.02 mi13940-274349-324349-3214512(Top 50%)5182(Top 41%)5182(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21
+97ft-345ft

Overall

9765

Females

1833

F18-39

1833

5K→10K

3.1 - 6.2 mi

Top 32%
×5
+79ft-138ft

Overall

9257

Females

1576

F18-39

1576

10K→15K

6.2 - 9.3 mi

Top 34%
×3
+67ft-78ft

Overall

9765

Females

1833

F18-39

1833

15K→20K

9.3 - 12.4 mi

Top 36%
×5
+106ft-86ft

Overall

10410

Females

2259

F18-39

2259

20K→HALF

12.4 - 13.1 mi

Top 33%
×2
+19ft-37ft

Overall

9476

Females

1755

F18-39

1755

HALF→25K

13.1 - 15.5 mi

Top 35%
×4
+66ft-88ft

Overall

10209

Females

2244

F18-39

2244

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

15901

Females

5462

F18-39

5462

30K→20M

18.6 - 20.0 mi

Top 51%
×5
+64ft-50ft

Overall

14908

Females

4992

F18-39

4992

20M→21M

20.0 - 21.0 mi

Top 66%
×8
+106ft-24ft

Overall

19047

Females

7340

F18-39

7340

21M→35K

21.0 - 21.8 mi

Top 69%
×7
+17ft-86ft

Overall

20037

Females

7951

F18-39

7951

35K→23M

21.8 - 23.0 mi

Top 61%
×5
+23ft-63ft

Overall

17624

Females

6757

F18-39

6757

23M→24M

23.0 - 24.0 mi

Top 75%
×6
+12ft-82ft

Overall

21831

Females

8943

F18-39

8943

24M→40K

24.0 - 24.9 mi

Top 78%
×1
+6ft-20ft

Overall

22649

Females

9425

F18-39

9425

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1
+13ft-16ft

Overall

23977

Females

10121

F18-39

10121

25.2M→FINISH

25.2 - 26.2 mi

Top 50%
×2
+22ft-21ft

Overall

14512

Females

5182

F18-39

5182

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 5 hours ago. This usually takes 10-20 minutes. Please check back shortly.

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing