Donglu Xie

Bib: 21605F

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:26
Rank: #20646
Start5K
9:09/mi
28:26 split
10K· 6.21 mi
56:51
Rank: #20462 (+184)
5K10K
9:09/mi
28:25 split
15K· 9.32 mi
1:25:42
Rank: #20311 (+151)
10K15K
9:17/mi
28:51 split
20K· 12.43 mi
1:55:07
Rank: #19984 (+327)
15K20K
9:28/mi
29:25 split
Half· 13.11 mi
2:01:22
Rank: #19928 (+56)
20KHalf
9:10/mi
6:15 split
25K· 15.53 mi
2:24:02
Rank: #19426 (+502)
Half25K
9:21/mi
22:40 split
30K· 18.64 mi
2:53:53
Rank: #18754 (+672)
25K30K
9:36/mi
29:51 split
20M
3:07:14
Rank: #18525 (+229)
30K20M
9:49/mi
13:21 split
21M
3:17:36
Rank: #18279 (+246)
20M21M
10:22/mi
10:22 split
35K· 21.75 mi
3:24:33
Rank: #18136 (+143)
21M35K
9:17/mi
6:57 split
23M
3:36:34
Rank: #17850 (+286)
35K23M
9:36/mi
12:01 split
24M
3:46:12
Rank: #17721 (+129)
23M24M
9:38/mi
9:38 split
40K· 24.85 mi
3:54:27
Rank: #17572 (+149)
24M40K
9:39/mi
8:15 split
25.2M
3:58:02
Rank: #17469 (+103)
40K25.2M
10:23/mi
3:35 split
Finish· 26.22 mi
4:07:31
Rank: #17362 (+107)
25.2MFinish
9:18/mi
9:29 split

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
Time2:01:22
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:06:09
Pace9:37 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:2428:269:0928:26
9:09
-
10K
6.21 mi11:56:4956:519:0928:25
9:09
0:00
15K
9.32 mi12:25:401:25:429:1228:51
9:17
+0:08
20K
12.43 mi12:55:051:55:079:1629:25
9:28
+0:11
Half
13.11 mi13:01:202:01:229:156:15
9:10
-0:18
25K
15.53 mi13:24:002:24:029:1622:40
9:21
+0:11
30K
18.64 mi13:53:512:53:539:2029:51
9:36
+0:15
20M
20.00 mi14:07:123:07:149:2213:21
9:49
+0:13
21M
21.00 mi14:17:343:17:369:2510:22
10:22
+0:33
35K
21.75 mi14:24:313:24:339:246:57
9:17
-1:05
23M
23.00 mi14:36:323:36:349:2512:01
9:36
+0:19
24M
24.00 mi14:46:103:46:129:269:38
9:38
+0:02
40K
24.85 mi14:54:253:54:279:268:15
9:39
+0:01
25.2M
25.20 mi14:58:003:58:029:273:35
10:23
+0:44
Finish
26.22 mi15:07:294:07:319:279:29
9:18
-1:05

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

9:09 /mi

Average Pace

9:27 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:53:34

94% of race

Time at Steady Pace

13:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:26 /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 mi11:28:2428:269:0928:26
9:09
#20646
10K
6.21 mi11:56:4956:519:0928:25
9:09
#20462
15K
9.32 mi12:25:401:25:429:1228:51
9:17
#20311
20K
12.43 mi12:55:051:55:079:1629:25
9:28
#19984
Half
13.11 mi13:01:202:01:229:156:15
9:10
#19928
25K
15.53 mi13:24:002:24:029:1622:40
9:21
#19426
30K
18.64 mi13:53:512:53:539:2029:51
9:36
#18754
20M
20.00 mi14:07:123:07:149:2213:21
9:49
#18525
21M
21.00 mi14:17:343:17:369:2510:22
10:22
#18279
35K
21.75 mi14:24:313:24:339:246:57
9:17
#18136
23M
23.00 mi14:36:323:36:349:2512:01
9:36
#17850
24M
24.00 mi14:46:103:46:129:269:38
9:38
#17721
40K
24.85 mi14:54:253:54:279:268:15
9:39
#17572
25.2M
25.20 mi14:58:003:58:029:273:35
10:23
#17469
Finish
26.22 mi15:07:294:07:319:279:29
9:18
#17362
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi206468229822919982(Top 78%)7775(Top 71%)7775(Top 655%)
10K6.21 mi3.10 mi20462+1848101+1288101+12820330(Top 80%)8001(Top 73%)8001(Top 674%)
15K9.32 mi3.11 mi20311+1517991+1107991+11019982(Top 78%)7775(Top 71%)7775(Top 655%)
20K12.43 mi3.11 mi19984+3277820+1717820+17119092(Top 75%)7317(Top 67%)7317(Top 616%)
Half13.11 mi0.68 mi19928+567791+297791+2918945(Top 74%)7298(Top 67%)7298(Top 615%)
25K15.53 mi2.42 mi19426+5027534+2577534+25716986(Top 66%)6270(Top 57%)6270(Top 528%)
30K18.64 mi3.11 mi18754+6727243+2917243+29115882(Top 62%)5904(Top 54%)5904(Top 497%)
20M20.00 mi1.36 mi18525+2297145+987145+9815863(Top 62%)6143(Top 56%)6143(Top 518%)
21M21.00 mi1.00 mi18279+2467032+1137032+11314400(Top 56%)5519(Top 51%)5519(Top 465%)
35K21.75 mi0.75 mi18136+1436972+606972+6014705(Top 58%)5708(Top 52%)5708(Top 481%)
23M23.00 mi1.25 mi17850+2866853+1196853+11913937(Top 55%)5388(Top 49%)5388(Top 454%)
24M24.00 mi1.00 mi17721+1296802+516802+5115042(Top 59%)5980(Top 55%)5980(Top 504%)
40K24.85 mi0.85 mi17572+1496747+556747+5513736(Top 54%)5411(Top 50%)5411(Top 456%)
25.2M25.20 mi0.35 mi17469+1036708+396708+3912518(Top 49%)4883(Top 45%)4883(Top 411%)
Finish26.22 mi1.02 mi17362+1076679+296679+2915667(Top 61%)6352(Top 58%)6352(Top 535%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

19982

Females

7775

F50-54

7775

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

20330

Females

8001

F50-54

8001

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

19982

Females

7775

F50-54

7775

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19092

Females

7317

F50-54

7317

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

18945

Females

7298

F50-54

7298

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

16986

Females

6270

F50-54

6270

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

15882

Females

5904

F50-54

5904

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

15863

Females

6143

F50-54

6143

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14400

Females

5519

F50-54

5519

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

14705

Females

5708

F50-54

5708

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

13937

Females

5388

F50-54

5388

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15042

Females

5980

F50-54

5980

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

13736

Females

5411

F50-54

5411

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12518

Females

4883

F50-54

4883

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

15667

Females

6352

F50-54

6352

Passing Analysis

Category:
Athletes Passed
3745
Passed By
461
Net Change
+3284
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20646
5K10K374190+184#20646#20462
10K15K277126+151#20462#20311
15K20K38154+327#20311#19984
20KHalf659+56#19984#19928
Half25K51311+502#19928#19426
25K30K6797+672#19426#18754
30K20M24718+229#18754#18525
20M21M2537+246#18525#18279
21M35K1452+143#18279#18136
35K23M2915+286#18136#17850
23M24M1389+129#17850#17721
24M40K1512+149#17721#17572
40K25.2M1085+103#17572#17469
25.2MFinish12316+107#17469#17362
TOTALS3745461+3284
📊

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