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BOSTON MARATHON 2025

Alicia Ellison

Bib: 16279 F GB

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 6%
Division (F18-39)
#0 / 5469
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:11/mi
22:19
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:15/mi
44:52
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:13/mi
1:07:16
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:09/mi
1:29:29
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:56/mi
1:34:13
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:58/mi
1:51:07
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:06/mi
2:13:11
↑ 181↓ 1480.2%
138 ft elev
20M
7:09/mi
2:22:54
↑ 64↓ 500.2%
148 ft elev
21M
7:21/mi
2:30:15
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:53/mi
2:35:24
↑ 17↓ 861.7%
156 ft elev
23M
7:01/mi
2:44:11
↑ 23↓ 630.6%
116 ft elev
24M
6:48/mi
2:50:59
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:59/mi
2:56:57
↓ 200.3%
20 ft elev
25.2M
7:27/mi
2:59:31
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:43/mi
3:06:22
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:34:13
Pace7:11 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:32:09
Pace7:02 /mi
📊Negative Split: 2.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:4822:197:1122:19
7:11
-
10K
6.21 mi11:19:2144:527:1322:33
7:15
+0:04
15K
9.32 mi11:41:451:07:167:1322:24
7:13
-0:02
20K
12.43 mi12:03:581:29:297:1222:13
7:09
-0:04
Half
13.11 mi12:08:421:34:137:114:44
6:56
-0:13
25K
15.53 mi12:25:361:51:077:0916:54
6:58
+0:02
30K
18.64 mi12:47:402:13:117:0922:04
7:06
+0:08
20M
20.00 mi12:57:232:22:547:099:43
7:09
+0:03
21M
21.00 mi13:04:442:30:157:097:21
7:21
+0:12
35K
21.75 mi13:09:532:35:247:095:09
6:53
-0:28
23M
23.00 mi13:18:402:44:117:088:47
7:01
+0:08
24M
24.00 mi13:25:282:50:597:076:48
6:48
-0:13
40K
24.85 mi13:31:262:56:577:075:58
6:59
+0:11
25.2M
25.20 mi13:34:002:59:317:072:34
7:27
+0:28
Finish
26.22 mi13:40:513:06:227:076:51
6:43
-0:44

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

6:43 /mi

Average Pace

7:07 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:48

99% of race

Time at Steady Pace

2:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:06 /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 mi10:56:4822:197:1122:19
7:11
#9327
10K
6.21 mi11:19:2144:527:1322:33
7:15
#9626
15K
9.32 mi11:41:451:07:167:1322:24
7:13
#9469
20K
12.43 mi12:03:581:29:297:1222:13
7:09
#8999
Half
13.11 mi12:08:421:34:137:114:44
6:56
#8856
25K
15.53 mi12:25:361:51:077:0916:54
6:58
#8316
30K
18.64 mi12:47:402:13:117:0922:04
7:06
#7639
20M
20.00 mi12:57:232:22:547:099:43
7:09
#7365
21M
21.00 mi13:04:442:30:157:097:21
7:21
#7092
35K
21.75 mi13:09:532:35:247:095:09
6:53
#6968
23M
23.00 mi13:18:402:44:117:088:47
7:01
#6654
24M
24.00 mi13:25:282:50:597:076:48
6:48
#6463
40K
24.85 mi13:31:262:56:577:075:58
6:59
#6319
25.2M
25.20 mi13:34:002:59:317:072:34
7:27
#6235
Finish
26.22 mi13:40:513:06:227:076:51
6:43
#6092
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9327151615169221(Top 32%)1520(Top 12%)1520(Top 28%)
10K6.21 mi3.10 mi9626-2991621-1051621-1059991(Top 35%)1823(Top 15%)1823(Top 33%)
15K9.32 mi3.11 mi9469+1571584+371584+379221(Top 32%)1520(Top 12%)1520(Top 28%)
20K12.43 mi3.11 mi8999+4701412+1721412+1727828(Top 28%)1041(Top 9%)1041(Top 19%)
Half13.11 mi0.68 mi8856+1431363+491363+497189(Top 25%)813(Top 7%)813(Top 15%)
25K15.53 mi2.42 mi8316+5401171+1921171+1926147(Top 22%)630(Top 5%)630(Top 12%)
30K18.64 mi3.11 mi7639+677968+203968+2035343(Top 19%)520(Top 4%)520(Top 10%)
20M20.00 mi1.36 mi7365+274909+59909+594958(Top 17%)497(Top 4%)497(Top 9%)
21M21.00 mi1.00 mi7092+273857+52857+523903(Top 14%)352(Top 3%)352(Top 6%)
35K21.75 mi0.75 mi6968+124833+24833+244684(Top 16%)527(Top 4%)527(Top 10%)
23M23.00 mi1.25 mi6654+314784+49784+493890(Top 14%)395(Top 3%)395(Top 7%)
24M24.00 mi1.00 mi6463+191745+39745+393558(Top 13%)367(Top 3%)367(Top 7%)
40K24.85 mi0.85 mi6319+144727+18727+183816(Top 13%)461(Top 4%)461(Top 8%)
25.2M25.20 mi0.35 mi6235+84715+12715+123241(Top 11%)378(Top 3%)378(Top 7%)
Finish26.22 mi1.02 mi6092+143698+17698+174047(Top 14%)565(Top 5%)565(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9221

Females

1520

F18-39

1520

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9991

Females

1823

F18-39

1823

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9221

Females

1520

F18-39

1520

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7828

Females

1041

F18-39

1041

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7189

Females

813

F18-39

813

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

6147

Females

630

F18-39

630

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

5343

Females

520

F18-39

520

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4958

Females

497

F18-39

497

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3903

Females

352

F18-39

352

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4684

Females

527

F18-39

527

35K→23M

21.8 - 23.0 mi

Top 14%
×5story building
+23ft-63ft

Overall

3890

Females

395

F18-39

395

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3558

Females

367

F18-39

367

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3816

Females

461

F18-39

461

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3241

Females

378

F18-39

378

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2story building
+22ft-21ft

Overall

4047

Females

565

F18-39

565

Passing Analysis

Category:
Athletes Passed
3795
Passed By
559
Net Change
+3235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9327
5K → 10K120418-299#9327#9626
10K → 15K25295+157#9626#9469
15K → 20K4799+470#9469#8999
20K → Half1452+143#8999#8856
Half → 25K5433+540#8856#8316
25K → 30K6792+677#8316#7639
30K → 20M2762+274#7639#7365
20M → 21M2752+273#7365#7092
21M → 35K1284+124#7092#6968
35K → 23M3162+314#6968#6654
23M → 24M1943+191#6654#6463
24M → 40K1517+144#6463#6319
40K → 25.2M862+84#6319#6235
25.2M → Finish1518+143#6235#6092
TOTALS3795559+3235
📊

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