Boston Marathon logo
BOSTON MARATHON 2025

Rachel Dadamio

Bib: 2038•F

IL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 9%
Gender (Female)
#0 / 12228
Top 1%
Division (F18-39)
#0 / 5469
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:22
Rank: #4258
Start → 5K
20:22 | 6:33/mi
10K· 6.21 mi
40:23
Rank: #3776 (+482)
5K → 10K
20:01 | 6:27/mi
15K· 9.32 mi
1:00:18
Rank: #3464 (+312)
10K → 15K
19:55 | 6:25/mi
20K· 12.43 mi
1:20:11
Rank: #3178 (+286)
15K → 20K
19:53 | 6:24/mi
Half· 13.11 mi
1:24:31
Rank: #3155 (+23)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:40:00
Rank: #2976 (+179)
Half → 25K
15:29 | 6:23/mi
30K· 18.64 mi
2:00:09
Rank: #2703 (+273)
25K → 30K
20:09 | 6:29/mi
20M
2:09:03
Rank: #2589 (+114)
30K → 20M
8:54 | 6:33/mi
21M
2:15:53
Rank: #2503 (+86)
20M → 21M
6:50 | 6:50/mi
35K· 21.75 mi
2:20:48
Rank: #2495 (+8)
21M → 35K
4:55 | 6:34/mi
23M
2:29:58
Rank: #2631 (-136)
35K → 23M
9:10 | 7:19/mi
24M
2:37:17
Rank: #2744 (-113)
23M → 24M
7:19 | 7:19/mi
40K· 24.85 mi
2:43:32
Rank: #2805 (-61)
24M → 40K
6:15 | 7:19/mi
25.2M
2:45:55
Rank: #2757 (+48)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:52:09
Rank: #2663 (+94)
25.2M → Finish
6:14 | 6:07/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
Time1:24:31
Pace6:27 /mi
2nd Half
Distance13.11 mi
Time1:27:38
Pace6:41 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3520:226:3320:22
6:33
-
10K
6.21 mi10:41:3640:236:3020:01
6:27
-0:06
15K
9.32 mi11:01:311:00:186:2819:55
6:25
-0:02
20K
12.43 mi11:21:241:20:116:2719:53
6:24
-0:01
Half
13.11 mi11:25:441:24:316:274:20
6:21
-0:03
25K
15.53 mi11:41:131:40:006:2615:29
6:23
+0:02
30K
18.64 mi12:01:222:00:096:2720:09
6:29
+0:06
20M
20.00 mi12:10:162:09:036:278:54
6:33
+0:04
21M
21.00 mi12:17:062:15:536:286:50
6:50
+0:17
35K
21.75 mi12:22:012:20:486:284:55
6:34
-0:16
23M
23.00 mi12:31:112:29:586:319:10
7:19
+0:45
24M
24.00 mi12:38:302:37:176:337:19
7:19
0:00
40K
24.85 mi12:44:452:43:326:356:15
7:19
0:00
25.2M
25.20 mi12:47:082:45:556:352:23
6:55
-0:24
Finish
26.22 mi12:53:222:52:096:346:14
6:07
-0:48

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

6:07 /mi

Average Pace

6:34 /mi

Slowest Pace

7:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:12

81% of race

Time at Steady Pace

9:13

5% of race

Time at Slower Pace

22:44

13% of race

Average Pace: 6:34 /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 mi10:21:3520:226:3320:22
6:33
#4258
10K
6.21 mi10:41:3640:236:3020:01
6:27
#3776
15K
9.32 mi11:01:311:00:186:2819:55
6:25
#3464
20K
12.43 mi11:21:241:20:116:2719:53
6:24
#3178
Half
13.11 mi11:25:441:24:316:274:20
6:21
#3155
25K
15.53 mi11:41:131:40:006:2615:29
6:23
#2976
30K
18.64 mi12:01:222:00:096:2720:09
6:29
#2703
20M
20.00 mi12:10:162:09:036:278:54
6:33
#2589
21M
21.00 mi12:17:062:15:536:286:50
6:50
#2503
35K
21.75 mi12:22:012:20:486:284:55
6:34
#2495
23M
23.00 mi12:31:112:29:586:319:10
7:19
#2631
24M
24.00 mi12:38:302:37:176:337:19
7:19
#2744
40K
24.85 mi12:44:452:43:326:356:15
7:19
#2805
25.2M
25.20 mi12:47:082:45:556:352:23
6:55
#2757
Finish
26.22 mi12:53:222:52:096:346:14
6:07
#2663
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 mi42582452453023(Top 11%)136(Top 1%)136(Top 2%)
10K6.21 mi3.10 mi3776+482194+51194+513339(Top 12%)159(Top 1%)159(Top 3%)
15K9.32 mi3.11 mi3464+312169+25169+253023(Top 11%)136(Top 1%)136(Top 2%)
20K12.43 mi3.11 mi3178+286145+24145+242531(Top 9%)112(Top 0.9%)112(Top 2%)
Half13.11 mi0.68 mi3155+23142+3142+32855(Top 10%)120(Top 1.0%)120(Top 2%)
25K15.53 mi2.42 mi2976+179134+8134+82312(Top 8%)108(Top 0.9%)108(Top 2%)
30K18.64 mi3.11 mi2703+273117+17117+171927(Top 7%)87(Top 0.7%)87(Top 2%)
20M20.00 mi1.36 mi2589+114110+7110+71837(Top 6%)92(Top 0.8%)92(Top 2%)
21M21.00 mi1.00 mi2503+86109+1109+11664(Top 6%)87(Top 0.7%)87(Top 2%)
35K21.75 mi0.75 mi2495+8112-3112-32866(Top 10%)211(Top 2%)211(Top 4%)
23M23.00 mi1.25 mi2631-136124-12124-125544(Top 20%)843(Top 7%)843(Top 15%)
24M24.00 mi1.00 mi2744-113136-12136-126464(Top 23%)1261(Top 10%)1261(Top 23%)
40K24.85 mi0.85 mi2805-61140-4140-45752(Top 20%)1049(Top 9%)1049(Top 19%)
25.2M25.20 mi0.35 mi2757+48139+1139+11293(Top 5%)101(Top 0.8%)101(Top 2%)
Finish26.22 mi1.02 mi2663+94135+4135+41277(Top 4%)79(Top 0.6%)79(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3023

Females

136

F18-39

136

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3339

Females

159

F18-39

159

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3023

Females

136

F18-39

136

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2531

Females

112

F18-39

112

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2855

Females

120

F18-39

120

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2312

Females

108

F18-39

108

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1927

Females

87

F18-39

87

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1837

Females

92

F18-39

92

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1664

Females

87

F18-39

87

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2866

Females

211

F18-39

211

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5544

Females

843

F18-39

843

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6464

Females

1261

F18-39

1261

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5752

Females

1049

F18-39

1049

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1293

Females

101

F18-39

101

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1277

Females

79

F18-39

79

Passing Analysis

Category:
Athletes Passed
2068
Passed By
473
Net Change
+1595
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4258
5K → 10K50220+482#4258#3776
10K → 15K3219+312#3776#3464
15K → 20K2926+286#3464#3178
20K → Half329+23#3178#3155
Half → 25K1834+179#3155#2976
25K → 30K2818+273#2976#2703
30K → 20M1162+114#2703#2589
20M → 21M9711+86#2589#2503
21M → 35K3628+8#2503#2495
35K → 23M23159-136#2495#2631
23M → 24M19132-113#2631#2744
24M → 40K2283-61#2744#2805
40K → 25.2M502+48#2805#2757
25.2M → Finish940+94#2757#2663
TOTALS2068473+1595
📊

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