Boston Marathon logo
BOSTON MARATHON 2025

Emma Ellis

Bib: 13281•F

TX

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:36
Rank: #10104
Start → 5K
22:36 | 7:16/mi
10K· 6.21 mi
45:00
Rank: #9823 (+281)
5K → 10K
22:24 | 7:13/mi
15K· 9.32 mi
1:07:19
Rank: #9520 (+303)
10K → 15K
22:19 | 7:11/mi
20K· 12.43 mi
1:29:48
Rank: #9212 (+308)
15K → 20K
22:29 | 7:14/mi
Half· 13.11 mi
1:34:39
Rank: #9175 (+37)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:51:52
Rank: #8685 (+490)
Half → 25K
17:13 | 7:06/mi
30K· 18.64 mi
2:14:31
Rank: #8152 (+533)
25K → 30K
22:39 | 7:17/mi
20M
2:24:22
Rank: #7895 (+257)
30K → 20M
9:51 | 7:15/mi
21M
2:31:58
Rank: #7654 (+241)
20M → 21M
7:36 | 7:36/mi
35K· 21.75 mi
2:37:11
Rank: #7514 (+140)
21M → 35K
5:13 | 6:58/mi
23M
2:46:20
Rank: #7338 (+176)
35K → 23M
9:09 | 7:18/mi
24M
2:53:38
Rank: #7238 (+100)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
3:00:04
Rank: #7181 (+57)
24M → 40K
6:26 | 7:31/mi
25.2M
3:03:18
Rank: #7279 (-98)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:11:22
Rank: #7433 (-154)
25.2M → Finish
8:04 | 7:55/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
Time1:34:39
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:36:43
Pace7:23 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3722:367:1622:36
7:16
-
10K
6.21 mi11:14:0145:007:1522:24
7:13
-0:03
15K
9.32 mi11:36:201:07:197:1322:19
7:11
-0:02
20K
12.43 mi11:58:491:29:487:1422:29
7:14
+0:03
Half
13.11 mi12:03:401:34:397:134:51
7:07
-0:07
25K
15.53 mi12:20:531:51:527:1217:13
7:06
-0:01
30K
18.64 mi12:43:322:14:317:1322:39
7:17
+0:11
20M
20.00 mi12:53:232:24:227:139:51
7:15
-0:02
21M
21.00 mi13:00:592:31:587:147:36
7:36
+0:21
35K
21.75 mi13:06:122:37:117:145:13
6:58
-0:38
23M
23.00 mi13:15:212:46:207:149:09
7:18
+0:20
24M
24.00 mi13:22:392:53:387:147:18
7:18
0:00
40K
24.85 mi13:29:053:00:047:156:26
7:31
+0:13
25.2M
25.20 mi13:32:193:03:187:163:14
9:23
+1:52
Finish
26.22 mi13:40:233:11:227:188:04
7:55
-1:28

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

6:58 /mi

Average Pace

7:18 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:13

3% of race

Time at Steady Pace

2:47:15

87% of race

Time at Slower Pace

18:54

10% of race

Average Pace: 7:18 /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 mi10:51:3722:367:1622:36
7:16
#10104
10K
6.21 mi11:14:0145:007:1522:24
7:13
#9823
15K
9.32 mi11:36:201:07:197:1322:19
7:11
#9520
20K
12.43 mi11:58:491:29:487:1422:29
7:14
#9212
Half
13.11 mi12:03:401:34:397:134:51
7:07
#9175
25K
15.53 mi12:20:531:51:527:1217:13
7:06
#8685
30K
18.64 mi12:43:322:14:317:1322:39
7:17
#8152
20M
20.00 mi12:53:232:24:227:139:51
7:15
#7895
21M
21.00 mi13:00:592:31:587:147:36
7:36
#7654
35K
21.75 mi13:06:122:37:117:145:13
6:58
#7514
23M
23.00 mi13:15:212:46:207:149:09
7:18
#7338
24M
24.00 mi13:22:392:53:387:147:18
7:18
#7238
40K
24.85 mi13:29:053:00:047:156:26
7:31
#7181
25.2M
25.20 mi13:32:193:03:187:163:14
9:23
#7279
Finish
26.22 mi13:40:233:11:227:188:04
7:55
#7433
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10104184818488980(Top 32%)1419(Top 12%)1419(Top 26%)
10K6.21 mi3.10 mi9823+2811717+1311717+1319592(Top 34%)1637(Top 13%)1637(Top 30%)
15K9.32 mi3.11 mi9520+3031609+1081609+1088980(Top 32%)1419(Top 12%)1419(Top 26%)
20K12.43 mi3.11 mi9212+3081508+1011508+1018516(Top 30%)1320(Top 11%)1320(Top 24%)
Half13.11 mi0.68 mi9175+371491+171491+178405(Top 30%)1243(Top 10%)1243(Top 23%)
25K15.53 mi2.42 mi8685+4901312+1791312+1796997(Top 25%)864(Top 7%)864(Top 16%)
30K18.64 mi3.11 mi8152+5331169+1431169+1436407(Top 23%)801(Top 7%)801(Top 15%)
20M20.00 mi1.36 mi7895+2571106+631106+635523(Top 19%)659(Top 5%)659(Top 12%)
21M21.00 mi1.00 mi7654+2411049+571049+575162(Top 18%)662(Top 5%)662(Top 12%)
35K21.75 mi0.75 mi7514+1401028+211028+215235(Top 18%)692(Top 6%)692(Top 13%)
23M23.00 mi1.25 mi7338+1761006+221006+225535(Top 19%)834(Top 7%)834(Top 15%)
24M24.00 mi1.00 mi7238+100999+7999+76445(Top 23%)1242(Top 10%)1242(Top 23%)
40K24.85 mi0.85 mi7181+571006-71006-76959(Top 25%)1530(Top 13%)1530(Top 28%)
25.2M25.20 mi0.35 mi7279-981053-471053-4713884(Top 49%)4927(Top 40%)4927(Top 90%)
Finish26.22 mi1.02 mi7433-1541150-971150-9712296(Top 43%)4066(Top 33%)4066(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8980

Females

1419

F18-39

1419

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9592

Females

1637

F18-39

1637

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8980

Females

1419

F18-39

1419

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8516

Females

1320

F18-39

1320

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8405

Females

1243

F18-39

1243

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6997

Females

864

F18-39

864

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6407

Females

801

F18-39

801

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5523

Females

659

F18-39

659

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5162

Females

662

F18-39

662

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5235

Females

692

F18-39

692

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5535

Females

834

F18-39

834

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6445

Females

1242

F18-39

1242

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6959

Females

1530

F18-39

1530

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13884

Females

4927

F18-39

4927

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12296

Females

4066

F18-39

4066

Passing Analysis

Category:
Athletes Passed
3269
Passed By
598
Net Change
+2671
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10104
5K → 10K395114+281#10104#9823
10K → 15K35249+303#9823#9520
15K → 20K34739+308#9520#9212
20K → Half5619+37#9212#9175
Half → 25K4900+490#9175#8685
25K → 30K54512+533#8685#8152
30K → 20M2625+257#8152#7895
20M → 21M25211+241#7895#7654
21M → 35K1433+140#7654#7514
35K → 23M1837+176#7514#7338
23M → 24M13030+100#7338#7238
24M → 40K7821+57#7238#7181
40K → 25.2M11109-98#7181#7279
25.2M → Finish25179-154#7279#7433
TOTALS3269598+2671
📊

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